91007675 has 24 divisors (see below), whose sum is σ = 123801600. Its totient is φ = 65815200.

The previous prime is 91007671. The next prime is 91007687. The reversal of 91007675 is 57670019.

It is not a de Polignac number, because 91007675 - 2² = 91007671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91007671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53894 + ... + 55556.

It is an arithmetic number, because the mean of its divisors is an integer number (5158400).

Almost surely, 2^91007675 is an apocalyptic number.

91007675 is a deficient number, since it is larger than the sum of its proper divisors (32793925).

91007675 is a wasteful number, since it uses less digits than its factorization.

91007675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 91007675 is about 9539.7942849938. The cubic root of 91007675 is about 449.8067894836.

The spelling of 91007675 in words is "ninety-one million, seven thousand, six hundred seventy-five".