44772978 has 16 divisors (see below), whose sum is σ = 90002880. Its totient is φ = 14848176.

The previous prime is 44772977. The next prime is 44772983. The reversal of 44772978 is 87927744.

It is not an unprimeable number, because it can be changed into a prime (44772971) 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, 17758 + ... + 20121.

It is an arithmetic number, because the mean of its divisors is an integer number (5625180).

Almost surely, 2^44772978 is an apocalyptic number.

44772978 is an abundant number, since it is smaller than the sum of its proper divisors (45229902).

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

44772978 is a wasteful number, since it uses less digits than its factorization.

44772978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38081.

The product of its digits is 790272, while the sum is 48.

The square root of 44772978 is about 6691.2613160749. The cubic root of 44772978 is about 355.0901787700.

The spelling of 44772978 in words is "forty-four million, seven hundred seventy-two thousand, nine hundred seventy-eight".