45272712 has 48 divisors (see below), whose sum is σ = 117271440. Its totient is φ = 14564032.

The previous prime is 45272701. The next prime is 45272737. The reversal of 45272712 is 21727254.

It is a self number, because there is not a number n which added to its sum of digits gives 45272712.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19063 + ... + 21305.

It is an arithmetic number, because the mean of its divisors is an integer number (2443155).

Almost surely, 2^45272712 is an apocalyptic number.

It is a pronic number, being equal to 6728×6729.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45272712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58635720).

45272712 is an abundant number, since it is smaller than the sum of its proper divisors (71998728).

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

45272712 is a wasteful number, since it uses less digits than its factorization.

45272712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310 (or 2277 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 45272712 is about 6728.4999814223. The cubic root of 45272712 is about 356.4064078981.

Adding to 45272712 its reverse (21727254), we get a palindrome (66999966).

The spelling of 45272712 in words is "forty-five million, two hundred seventy-two thousand, seven hundred twelve".