97774272 has 84 divisors (see below), whose sum is σ = 281990800. Its totient is φ = 32389632.

The previous prime is 97774223. The next prime is 97774301. The reversal of 97774272 is 27247779.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114198 + ... + 115050.

Almost surely, 2^97774272 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 97774272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140995400).

97774272 is an abundant number, since it is smaller than the sum of its proper divisors (184216528).

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

97774272 is a wasteful number, since it uses less digits than its factorization.

97774272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1057 counting only the distinct ones).

The product of its digits is 345744, while the sum is 45.

The square root of 97774272 is about 9888.0873782547. The cubic root of 97774272 is about 460.6893759331.

The spelling of 97774272 in words is "ninety-seven million, seven hundred seventy-four thousand, two hundred seventy-two".