45779790 has 64 divisors (see below), whose sum is σ = 126180864. Its totient is φ = 10412928.

The previous prime is 45779761. The next prime is 45779807. The reversal of 45779790 is 9797754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57777 + ... + 58563.

It is an arithmetic number, because the mean of its divisors is an integer number (1971576).

Almost surely, 2^45779790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45779790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63090432).

45779790 is an abundant number, since it is smaller than the sum of its proper divisors (80401074).

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

45779790 is a wasteful number, since it uses less digits than its factorization.

45779790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its (nonzero) digits is 555660, while the sum is 48.

The square root of 45779790 is about 6766.0764110376. The cubic root of 45779790 is about 357.7321165260.

The spelling of 45779790 in words is "forty-five million, seven hundred seventy-nine thousand, seven hundred ninety".