104739731 has 4 divisors (see below), whose sum is σ = 108118464. Its totient is φ = 101361000.

The previous prime is 104739709. The next prime is 104739751. The reversal of 104739731 is 137937401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104739731 is a prime.

It is a super-2 number, since 2×104739731² = 21940822499904722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 104739691 and 104739700.

It is not an unprimeable number, because it can be changed into a prime (104739751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689320 + ... + 1689381.

It is an arithmetic number, because the mean of its divisors is an integer number (27029616).

Almost surely, 2^104739731 is an apocalyptic number.

104739731 is a deficient number, since it is larger than the sum of its proper divisors (3378733).

104739731 is an equidigital number, since it uses as much as digits as its factorization.

104739731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378732.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 104739731 is about 10234.2430594549. The cubic root of 104739731 is about 471.3792756754.

The spelling of 104739731 in words is "one hundred four million, seven hundred thirty-nine thousand, seven hundred thirty-one".