45720370 has 8 divisors (see below), whose sum is σ = 82296684. Its totient is φ = 18288144.

The previous prime is 45720347. The next prime is 45720391. The reversal of 45720370 is 7302754.

45720370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44395569 + 1324801 = 6663^2 + 1151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2286009 + ... + 2286028.

Almost surely, 2^45720370 is an apocalyptic number.

45720370 is a deficient number, since it is larger than the sum of its proper divisors (36576314).

45720370 is a wasteful number, since it uses less digits than its factorization.

45720370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572044.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 45720370 is about 6761.6839618545. The cubic root of 45720370 is about 357.5772763981.

The spelling of 45720370 in words is "forty-five million, seven hundred twenty thousand, three hundred seventy".