97012272 has 80 divisors (see below), whose sum is σ = 288195840. Its totient is φ = 27545856.

The previous prime is 97012249. The next prime is 97012283. The reversal of 97012272 is 27221079.

It is a happy number.

It is a super-2 number, since 2×97012272² = 18822761837203968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59338 + ... + 60950.

It is an arithmetic number, because the mean of its divisors is an integer number (3602448).

Almost surely, 2^97012272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97012272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144097920).

97012272 is an abundant number, since it is smaller than the sum of its proper divisors (191183568).

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

97012272 is a wasteful number, since it uses less digits than its factorization.

97012272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 97012272 is about 9849.4807984990. The cubic root of 97012272 is about 459.4894650941.

The spelling of 97012272 in words is "ninety-seven million, twelve thousand, two hundred seventy-two".