91195072 has 56 divisors (see below), whose sum is σ = 194218560. Its totient is φ = 42332160.

The previous prime is 91195063. The next prime is 91195081. The reversal of 91195072 is 27059119.

It is an interprime number because it is at equal distance from previous prime (91195063) and next prime (91195081).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 85422 + ... + 86482.

Almost surely, 2^91195072 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 91195072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97109280).

91195072 is an abundant number, since it is smaller than the sum of its proper divisors (103023488).

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

91195072 is a wasteful number, since it uses less digits than its factorization.

91195072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 91195072 is about 9549.6110915576. The cubic root of 91195072 is about 450.1153153032.

The spelling of 91195072 in words is "ninety-one million, one hundred ninety-five thousand, seventy-two".