45170072 has 16 divisors (see below), whose sum is σ = 84787560. Its totient is φ = 22560064.

The previous prime is 45170057. The next prime is 45170089. The reversal of 45170072 is 27007154.

45170072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6203 + ... + 11349.

Almost surely, 2^45170072 is an apocalyptic number.

It is an amenable number.

45170072 is a deficient number, since it is larger than the sum of its proper divisors (39617488).

45170072 is a wasteful number, since it uses less digits than its factorization.

45170072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250 (or 6246 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 45170072 is about 6720.8683962714. The cubic root of 45170072 is about 356.1368619086.

The spelling of 45170072 in words is "forty-five million, one hundred seventy thousand, seventy-two".