44720690 has 32 divisors (see below), whose sum is σ = 92340864. Its totient is φ = 15275520.

The previous prime is 44720681. The next prime is 44720701. The reversal of 44720690 is 9602744.

It is a super-2 number, since 2×44720690² = 3999880228152200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20450 + ... + 22530.

It is an arithmetic number, because the mean of its divisors is an integer number (2885652).

Almost surely, 2^44720690 is an apocalyptic number.

44720690 is an abundant number, since it is smaller than the sum of its proper divisors (47620174).

44720690 is a wasteful number, since it uses less digits than its factorization.

44720690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 44720690 is about 6687.3529890383. The cubic root of 44720690 is about 354.9518945594.

The spelling of 44720690 in words is "forty-four million, seven hundred twenty thousand, six hundred ninety".