91713629 has 8 divisors (see below), whose sum is σ = 104881728. Its totient is φ = 78562080.

The previous prime is 91713619. The next prime is 91713641. The reversal of 91713629 is 92631719.

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 91713629 - 2²⁴ = 74936413 is a prime.

It is a super-2 number, since 2×91713629² = 16822779488699282, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91713592 and 91713601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91713619) 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, 11894 + ... + 18024.

It is an arithmetic number, because the mean of its divisors is an integer number (13110216).

Almost surely, 2^91713629 is an apocalyptic number.

It is an amenable number.

91713629 is a deficient number, since it is larger than the sum of its proper divisors (13168099).

91713629 is a wasteful number, since it uses less digits than its factorization.

91713629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275.

The product of its digits is 20412, while the sum is 38.

The square root of 91713629 is about 9576.7232913977. The cubic root of 91713629 is about 450.9668577734.

The spelling of 91713629 in words is "ninety-one million, seven hundred thirteen thousand, six hundred twenty-nine".