97576590 has 64 divisors (see below), whose sum is σ = 255052800. Its totient is φ = 23796864.

The previous prime is 97576547. The next prime is 97576607. The reversal of 97576590 is 9567579.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13579 + ... + 19481.

It is an arithmetic number, because the mean of its divisors is an integer number (3985200).

Almost surely, 2^97576590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97576590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127526400).

97576590 is an abundant number, since it is smaller than the sum of its proper divisors (157476210).

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

97576590 is a wasteful number, since it uses less digits than its factorization.

97576590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961.

The product of its (nonzero) digits is 595350, while the sum is 48.

The square root of 97576590 is about 9878.0863531354. The cubic root of 97576590 is about 460.3786894232.

The spelling of 97576590 in words is "ninety-seven million, five hundred seventy-six thousand, five hundred ninety".