91795740 has 48 divisors (see below), whose sum is σ = 261394560. Its totient is φ = 24063040.

The previous prime is 91795723. The next prime is 91795741. The reversal of 91795740 is 4759719.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 91795692 and 91795701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91795741) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9426 + ... + 16505.

It is an arithmetic number, because the mean of its divisors is an integer number (5445720).

Almost surely, 2^91795740 is an apocalyptic number.

It is an amenable number.

91795740 is an abundant number, since it is smaller than the sum of its proper divisors (169598820).

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

91795740 is a wasteful number, since it uses less digits than its factorization.

91795740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26002 (or 26000 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 91795740 is about 9581.0093414003. The cubic root of 91795740 is about 451.1014008244.

The spelling of 91795740 in words is "ninety-one million, seven hundred ninety-five thousand, seven hundred forty".