49790690 has 16 divisors (see below), whose sum is σ = 91143360. Its totient is φ = 19578480.

The previous prime is 49790669. The next prime is 49790693. The reversal of 49790690 is 9609794.

It is a super-2 number, since 2×49790690² = 4958225621352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49790693) 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, 41606 + ... + 42785.

It is an arithmetic number, because the mean of its divisors is an integer number (5696460).

Almost surely, 2^49790690 is an apocalyptic number.

49790690 is a deficient number, since it is larger than the sum of its proper divisors (41352670).

49790690 is a wasteful number, since it uses less digits than its factorization.

49790690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84457.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 49790690 is about 7056.2518379094. The cubic root of 49790690 is about 367.8883611028. Note that the first 3 decimals are identical.

The spelling of 49790690 in words is "forty-nine million, seven hundred ninety thousand, six hundred ninety".