97072430 has 80 divisors (see below), whose sum is σ = 220225824. Its totient is φ = 30623040.

The previous prime is 97072427. The next prime is 97072447. The reversal of 97072430 is 3427079.

It is a happy number.

It is a super-2 number, since 2×97072430² = 18846113332209800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 311975 + ... + 312285.

Almost surely, 2^97072430 is an apocalyptic number.

97072430 is an abundant number, since it is smaller than the sum of its proper divisors (123153394).

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

97072430 is a wasteful number, since it uses less digits than its factorization.

97072430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 97072430 is about 9852.5341917702. The cubic root of 97072430 is about 459.5844230308.

The spelling of 97072430 in words is "ninety-seven million, seventy-two thousand, four hundred thirty".