91379706 has 32 divisors (see below), whose sum is σ = 199853568. Its totient is φ = 27624240.

The previous prime is 91379699. The next prime is 91379707. The reversal of 91379706 is 60797319.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91379707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30721 + ... + 33563.

It is an arithmetic number, because the mean of its divisors is an integer number (6245424).

Almost surely, 2^91379706 is an apocalyptic number.

91379706 is an abundant number, since it is smaller than the sum of its proper divisors (108473862).

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

91379706 is a wasteful number, since it uses less digits than its factorization.

91379706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346.

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 91379706 is about 9559.2732987398. The cubic root of 91379706 is about 450.4188791044.

The spelling of 91379706 in words is "ninety-one million, three hundred seventy-nine thousand, seven hundred six".