91350732 has 24 divisors (see below), whose sum is σ = 232529472. Its totient is φ = 27682000.

The previous prime is 91350731. The next prime is 91350737. The reversal of 91350732 is 23705319.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 91350732.

It is not an unprimeable number, because it can be changed into a prime (91350731) 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, 345894 + ... + 346157.

It is an arithmetic number, because the mean of its divisors is an integer number (9688728).

Almost surely, 2^91350732 is an apocalyptic number.

It is an amenable number.

91350732 is an abundant number, since it is smaller than the sum of its proper divisors (141178740).

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

91350732 is a wasteful number, since it uses less digits than its factorization.

91350732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692069 (or 692067 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 91350732 is about 9557.7576868217. The cubic root of 91350732 is about 450.3712689119.

The spelling of 91350732 in words is "ninety-one million, three hundred fifty thousand, seven hundred thirty-two".