45072036 has 36 divisors (see below), whose sum is σ = 114606492. Its totient is φ = 14935104.

The previous prime is 45072029. The next prime is 45072037. The reversal of 45072036 is 63027054.

It is a happy number.

45072036 is a `hidden beast` number, since 450 + 7 + 203 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36072036 + 9000000 = 6006^2 + 3000^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (45072037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2610 + ... + 9846.

Almost surely, 2^45072036 is an apocalyptic number.

It is an amenable number.

45072036 is an abundant number, since it is smaller than the sum of its proper divisors (69534456).

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

45072036 is a wasteful number, since it uses less digits than its factorization.

45072036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420 (or 7415 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 45072036 is about 6713.5710318727. The cubic root of 45072036 is about 355.8790250907.

The spelling of 45072036 in words is "forty-five million, seventy-two thousand, thirty-six".