91625360 has 40 divisors (see below), whose sum is σ = 215611200. Its totient is φ = 36205952.

The previous prime is 91625351. The next prime is 91625377. The reversal of 91625360 is 6352619.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 260 + ... + 13539.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^91625360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91625360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107805600).

91625360 is an abundant number, since it is smaller than the sum of its proper divisors (123985840).

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

91625360 is a wasteful number, since it uses less digits than its factorization.

91625360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13895 (or 13889 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 91625360 is about 9572.1136641810. The cubic root of 91625360 is about 450.8221349324.

Adding to 91625360 its reverse (6352619), we get a palindrome (97977979).

The spelling of 91625360 in words is "ninety-one million, six hundred twenty-five thousand, three hundred sixty".