97974057 has 12 divisors (see below), whose sum is σ = 131531216. Its totient is φ = 64869480.

The previous prime is 97974029. The next prime is 97974061. The reversal of 97974057 is 75047979.

It is not a de Polignac number, because 97974057 - 2¹⁶ = 97908521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97973997 and 97974015.

It is not an unprimeable number, because it can be changed into a prime (97974017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83082 + ... + 84252.

Almost surely, 2^97974057 is an apocalyptic number.

It is an amenable number.

97974057 is a deficient number, since it is larger than the sum of its proper divisors (33557159).

97974057 is a wasteful number, since it uses less digits than its factorization.

97974057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 48.

The square root of 97974057 is about 9898.1845305086. The cubic root of 97974057 is about 461.0029424355.

The spelling of 97974057 in words is "ninety-seven million, nine hundred seventy-four thousand, fifty-seven".