97542590 has 16 divisors (see below), whose sum is σ = 176594688. Its totient is φ = 38790816.

The previous prime is 97542547. The next prime is 97542593. The reversal of 97542590 is 9524579.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97542593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26462 + ... + 29921.

It is an arithmetic number, because the mean of its divisors is an integer number (11037168).

Almost surely, 2^97542590 is an apocalyptic number.

97542590 is a deficient number, since it is larger than the sum of its proper divisors (79052098).

97542590 is a wasteful number, since it uses less digits than its factorization.

97542590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56563.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 97542590 is about 9876.3652220845. The cubic root of 97542590 is about 460.3252111117.

The spelling of 97542590 in words is "ninety-seven million, five hundred forty-two thousand, five hundred ninety".