1497470688 has 144 divisors (see below), whose sum is σ = 4879326816. Its totient is φ = 426746880.

The previous prime is 1497470677. The next prime is 1497470707. The reversal of 1497470688 is 8860747941.

It is a happy number.

1497470688 is a `hidden beast` number, since 1 + 4 + 97 + 470 + 6 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1497470688² = 4484836922838386688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1089970 + ... + 1091342.

It is an arithmetic number, because the mean of its divisors is an integer number (33884214).

Almost surely, 2^1497470688 is an apocalyptic number.

1497470688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1497470688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2439663408).

1497470688 is an abundant number, since it is smaller than the sum of its proper divisors (3381856128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1497470688 is a wasteful number, since it uses less digits than its factorization.

1497470688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 1497470688 is about 38697.1664078909. The cubic root of 1497470688 is about 1144.0704718027.

The spelling of 1497470688 in words is "one billion, four hundred ninety-seven million, four hundred seventy thousand, six hundred eighty-eight".