91732630 has 16 divisors (see below), whose sum is σ = 180129744. Its totient is φ = 33357280.

The previous prime is 91732607. The next prime is 91732637. The reversal of 91732630 is 3623719.

It is a junction number, because it is equal to n+sod(n) for n = 91732592 and 91732601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91732637) 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 7 ways as a sum of consecutive naturals, for example, 416857 + ... + 417076.

It is an arithmetic number, because the mean of its divisors is an integer number (11258109).

Almost surely, 2^91732630 is an apocalyptic number.

91732630 is a deficient number, since it is larger than the sum of its proper divisors (88397114).

91732630 is a wasteful number, since it uses less digits than its factorization.

91732630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833951.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 91732630 is about 9577.7152807964. The cubic root of 91732630 is about 450.9979990177.

The spelling of 91732630 in words is "ninety-one million, seven hundred thirty-two thousand, six hundred thirty".