45947709 has 8 divisors (see below), whose sum is σ = 68070720. Its totient is φ = 30631788.

The previous prime is 45947683. The next prime is 45947723. The reversal of 45947709 is 90774954.

It is not a de Polignac number, because 45947709 - 2⁵ = 45947677 is a prime.

It is a super-2 number, since 2×45947709² = 4222383924697362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45947749) 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, 850857 + ... + 850910.

It is an arithmetic number, because the mean of its divisors is an integer number (8508840).

Almost surely, 2^45947709 is an apocalyptic number.

It is an amenable number.

45947709 is a deficient number, since it is larger than the sum of its proper divisors (22123011).

45947709 is a wasteful number, since it uses less digits than its factorization.

45947709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701776 (or 1701770 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 45947709 is about 6778.4739433002. The cubic root of 45947709 is about 358.1689666697.

It can be divided in two parts, 45947 and 709, that added together give a 6-th power (46656 = 6⁶).

The spelling of 45947709 in words is "forty-five million, nine hundred forty-seven thousand, seven hundred nine".