45475730 has 16 divisors (see below), whose sum is σ = 81933120. Its totient is φ = 18173232.

The previous prime is 45475723. The next prime is 45475739. The reversal of 45475730 is 3757454.

It is not an unprimeable number, because it can be changed into a prime (45475739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19781 + ... + 21959.

It is an arithmetic number, because the mean of its divisors is an integer number (5120820).

Almost surely, 2^45475730 is an apocalyptic number.

45475730 is a deficient number, since it is larger than the sum of its proper divisors (36457390).

45475730 is a wasteful number, since it uses less digits than its factorization.

45475730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 45475730 is about 6743.5695295593. The cubic root of 45475730 is about 356.9383620932.

The spelling of 45475730 in words is "forty-five million, four hundred seventy-five thousand, seven hundred thirty".