1497897072 has 180 divisors, whose sum is σ = 5133559080. Its totient is φ = 405409536.

The previous prime is 1497897041. The next prime is 1497897073. The reversal of 1497897072 is 2707987941.

1497897072 is a `hidden beast` number, since 1 + 497 + 89 + 7 + 0 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497897073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 128478 + ... + 139650.

Almost surely, 2^1497897072 is an apocalyptic number.

1497897072 is a gapful number since it is divisible by the number (12) 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 1497897072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2566779540).

1497897072 is an abundant number, since it is smaller than the sum of its proper divisors (3635662008).

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

1497897072 is a wasteful number, since it uses less digits than its factorization.

1497897072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220 (or 11204 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The square root of 1497897072 is about 38702.6752563696. The cubic root of 1497897072 is about 1144.1790475622.

The spelling of 1497897072 in words is "one billion, four hundred ninety-seven million, eight hundred ninety-seven thousand, seventy-two".