97137272 has 32 divisors (see below), whose sum is σ = 193050000. Its totient is φ = 45692928.

The previous prime is 97137233. The next prime is 97137277. The reversal of 97137272 is 27273179.

It is a super-2 number, since 2×97137272² = 18871299223203968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97137277) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20504 + ... + 24792.

Almost surely, 2^97137272 is an apocalyptic number.

It is an amenable number.

97137272 is a deficient number, since it is larger than the sum of its proper divisors (95912728).

97137272 is a wasteful number, since it uses less digits than its factorization.

97137272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463 (or 4459 counting only the distinct ones).

The product of its digits is 37044, while the sum is 38.

The square root of 97137272 is about 9855.8242679139. The cubic root of 97137272 is about 459.6867306249.

The spelling of 97137272 in words is "ninety-seven million, one hundred thirty-seven thousand, two hundred seventy-two".