50672731 has 8 divisors (see below), whose sum is σ = 51718304. Its totient is φ = 49636800.

The previous prime is 50672711. The next prime is 50672747. The reversal of 50672731 is 13727605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50672731 is a prime.

It is a super-2 number, since 2×50672731² = 5135451333996722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50672693 and 50672702.

It is not an unprimeable number, because it can be changed into a prime (50672711) 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, 8725 + ... + 13321.

It is an arithmetic number, because the mean of its divisors is an integer number (6464788).

Almost surely, 2^50672731 is an apocalyptic number.

50672731 is a deficient number, since it is larger than the sum of its proper divisors (1045573).

50672731 is a wasteful number, since it uses less digits than its factorization.

50672731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 50672731 is about 7118.4781379168. The cubic root of 50672731 is about 370.0480361300.

It can be divided in two parts, 506 and 72731, that added together give a palindrome (73237).

The spelling of 50672731 in words is "fifty million, six hundred seventy-two thousand, seven hundred thirty-one".