97725510 has 48 divisors (see below), whose sum is σ = 260962416. Its totient is φ = 25354944.

The previous prime is 97725499. The next prime is 97725553. The reversal of 97725510 is 1552779.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11344 + ... + 18003.

It is an arithmetic number, because the mean of its divisors is an integer number (5436717).

Almost surely, 2^97725510 is an apocalyptic number.

97725510 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

97725510 is an abundant number, since it is smaller than the sum of its proper divisors (163236906).

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

97725510 is a wasteful number, since it uses less digits than its factorization.

97725510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29397 (or 29394 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 97725510 is about 9885.6213765246. The cubic root of 97725510 is about 460.6127781725.

The spelling of 97725510 in words is "ninety-seven million, seven hundred twenty-five thousand, five hundred ten".