45736731 has 18 divisors (see below), whose sum is σ = 68611452. Its totient is φ = 30486780.

The previous prime is 45736729. The next prime is 45736753. The reversal of 45736731 is 13763754.

It is not a de Polignac number, because 45736731 - 2¹ = 45736729 is a prime.

It is a super-2 number, since 2×45736731² = 4183697125132722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45736231) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3076 + ... + 10046.

Almost surely, 2^45736731 is an apocalyptic number.

45736731 is a deficient number, since it is larger than the sum of its proper divisors (22874721).

45736731 is an frugal number, since it uses more digits than its factorization.

45736731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995 (or 6974 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 45736731 is about 6762.8936853983. The cubic root of 45736731 is about 357.6199242311.

The spelling of 45736731 in words is "forty-five million, seven hundred thirty-six thousand, seven hundred thirty-one".