45779780 has 24 divisors (see below), whose sum is σ = 98484120. Its totient is φ = 17864960.

The previous prime is 45779761. The next prime is 45779807. The reversal of 45779780 is 8797754.

It can be written as a sum of positive squares in 4 ways, for example, as 1024 + 45778756 = 32^2 + 6766^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27095 + ... + 28734.

It is an arithmetic number, because the mean of its divisors is an integer number (4103505).

Almost surely, 2^45779780 is an apocalyptic number.

It is an amenable number.

45779780 is an abundant number, since it is smaller than the sum of its proper divisors (52704340).

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

45779780 is a wasteful number, since it uses less digits than its factorization.

45779780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55879 (or 55877 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 45779780 is about 6766.0756720569. The cubic root of 45779780 is about 357.7320904787.

The spelling of 45779780 in words is "forty-five million, seven hundred seventy-nine thousand, seven hundred eighty".