91372007 has 8 divisors (see below), whose sum is σ = 96268800. Its totient is φ = 86484024.

The previous prime is 91372003. The next prime is 91372009. The reversal of 91372007 is 70027319.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91372007 - 2² = 91372003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91372003) 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, 40298 + ... + 42504.

It is an arithmetic number, because the mean of its divisors is an integer number (12033600).

Almost surely, 2^91372007 is an apocalyptic number.

91372007 is a deficient number, since it is larger than the sum of its proper divisors (4896793).

91372007 is a wasteful number, since it uses less digits than its factorization.

91372007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 91372007 is about 9558.8705922823. The cubic root of 91372007 is about 450.4062290588.

The spelling of 91372007 in words is "ninety-one million, three hundred seventy-two thousand, seven".