45270472 has 32 divisors (see below), whose sum is σ = 91889280. Its totient is φ = 20784960.

The previous prime is 45270461. The next prime is 45270481. The reversal of 45270472 is 27407254.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20913 + ... + 22975.

It is an arithmetic number, because the mean of its divisors is an integer number (2871540).

Almost surely, 2^45270472 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 45270472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45944640).

45270472 is an abundant number, since it is smaller than the sum of its proper divisors (46618808).

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

45270472 is a wasteful number, since it uses less digits than its factorization.

45270472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 45270472 is about 6728.3335232433. Note that the first 3 decimals coincide. The cubic root of 45270472 is about 356.4005297176.

The spelling of 45270472 in words is "forty-five million, two hundred seventy thousand, four hundred seventy-two".