91725300 has 54 divisors (see below), whose sum is σ = 287510678. Its totient is φ = 24459840.

The previous prime is 91725299. The next prime is 91725307. The reversal of 91725300 is 352719.

It can be written as a sum of positive squares in 3 ways, for example, as 11048976 + 80676324 = 3324^2 + 8982^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91725307) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50059 + ... + 51858.

Almost surely, 2^91725300 is an apocalyptic number.

91725300 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

91725300 is an abundant number, since it is smaller than the sum of its proper divisors (195785378).

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

91725300 is a wasteful number, since it uses less digits than its factorization.

91725300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101937 (or 101927 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 91725300 is about 9577.3326140424. The cubic root of 91725300 is about 450.9859861952.

The spelling of 91725300 in words is "ninety-one million, seven hundred twenty-five thousand, three hundred".