97158472 has 16 divisors (see below), whose sum is σ = 184368240. Its totient is φ = 47993616.

The previous prime is 97158469. The next prime is 97158491. The reversal of 97158472 is 27485179.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72498 + ... + 73825.

It is an arithmetic number, because the mean of its divisors is an integer number (11523015).

Almost surely, 2^97158472 is an apocalyptic number.

It is an amenable number.

97158472 is a deficient number, since it is larger than the sum of its proper divisors (87209768).

97158472 is a wasteful number, since it uses less digits than its factorization.

97158472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146412 (or 146408 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 97158472 is about 9856.8997154278. The cubic root of 97158472 is about 459.7201700714.

The spelling of 97158472 in words is "ninety-seven million, one hundred fifty-eight thousand, four hundred seventy-two".