45712836 has 60 divisors (see below), whose sum is σ = 128706732. Its totient is φ = 14064192.

The previous prime is 45712801. The next prime is 45712837. The reversal of 45712836 is 63821754.

45712836 is a `hidden beast` number, since 4 + 571 + 2 + 83 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14976900 + 30735936 = 3870^2 + 5544^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 45712836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45712837) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1215 + ... + 9638.

Almost surely, 2^45712836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45712836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64353366).

45712836 is an abundant number, since it is smaller than the sum of its proper divisors (82993896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45712836 is a wasteful number, since it uses less digits than its factorization.

45712836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10882 (or 10871 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45712836 is about 6761.1268291609. The cubic root of 45712836 is about 357.5576342766.

The spelling of 45712836 in words is "forty-five million, seven hundred twelve thousand, eight hundred thirty-six".