97072736 has 24 divisors (see below), whose sum is σ = 191535120. Its totient is φ = 48428928.

The previous prime is 97072727. The next prime is 97072739. The reversal of 97072736 is 63727079.

It is a junction number, because it is equal to n+sod(n) for n = 97072693 and 97072702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97072739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12470 + ... + 18698.

It is an arithmetic number, because the mean of its divisors is an integer number (7980630).

Almost surely, 2^97072736 is an apocalyptic number.

It is an amenable number.

97072736 is a deficient number, since it is larger than the sum of its proper divisors (94462384).

97072736 is a wasteful number, since it uses less digits than its factorization.

97072736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726 (or 6718 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 97072736 is about 9852.5497207576. The cubic root of 97072736 is about 459.5849059440.

The spelling of 97072736 in words is "ninety-seven million, seventy-two thousand, seven hundred thirty-six".