49790790 has 96 divisors (see below), whose sum is σ = 156686400. Its totient is φ = 10708992.

The previous prime is 49790761. The next prime is 49790801. The reversal of 49790790 is 9709794.

49790790 is a `hidden beast` number, since 497 + 90 + 79 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8386 + ... + 13034.

It is an arithmetic number, because the mean of its divisors is an integer number (1632150).

Almost surely, 2^49790790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49790790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78343200).

49790790 is an abundant number, since it is smaller than the sum of its proper divisors (106895610).

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

49790790 is a wasteful number, since it uses less digits than its factorization.

49790790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686 (or 4683 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 49790790 is about 7056.2589238208. The cubic root of 49790790 is about 367.8886073926. Note that the first 3 decimals are identical.

The spelling of 49790790 in words is "forty-nine million, seven hundred ninety thousand, seven hundred ninety".