97297970 has 64 divisors (see below), whose sum is σ = 231227136. Its totient is φ = 28538880.

The previous prime is 97297957. The next prime is 97297973. The reversal of 97297970 is 7979279.

It is a super-2 number, since 2×97297970² = 18933789932241800, which contains 22 as substring.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (97297973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9374 + ... + 16806.

It is an arithmetic number, because the mean of its divisors is an integer number (3612924).

Almost surely, 2^97297970 is an apocalyptic number.

97297970 is an abundant number, since it is smaller than the sum of its proper divisors (133929166).

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

97297970 is a wasteful number, since it uses less digits than its factorization.

97297970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475.

The product of its (nonzero) digits is 500094, while the sum is 50.

The square root of 97297970 is about 9863.9733373524. The cubic root of 97297970 is about 459.9400835634.

The spelling of 97297970 in words is "ninety-seven million, two hundred ninety-seven thousand, nine hundred seventy".