1497447000 has 640 divisors, whose sum is σ = 6342336000. Its totient is φ = 321926400.

The previous prime is 1497446969. The next prime is 1497447043. The reversal of 1497447000 is 7447941.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 159 ways as a sum of consecutive naturals, for example, 10772931 + ... + 10773069.

It is an arithmetic number, because the mean of its divisors is an integer number (9909900).

Almost surely, 2^1497447000 is an apocalyptic number.

1497447000 is a gapful number since it is divisible by the number (10) 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 1497447000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3171168000).

1497447000 is an abundant number, since it is smaller than the sum of its proper divisors (4844889000).

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

1497447000 is a wasteful number, since it uses less digits than its factorization.

1497447000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1497447000 is about 38696.8603377587. The cubic root of 1497447000 is about 1144.0644392117.

The spelling of 1497447000 in words is "one billion, four hundred ninety-seven million, four hundred forty-seven thousand".