49797730 has 16 divisors (see below), whose sum is σ = 90175680. Its totient is φ = 19799152.

The previous prime is 49797721. The next prime is 49797733. The reversal of 49797730 is 3779794.

It is not an unprimeable number, because it can be changed into a prime (49797733) 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, 13240 + ... + 16579.

It is an arithmetic number, because the mean of its divisors is an integer number (5635980).

Almost surely, 2^49797730 is an apocalyptic number.

49797730 is a deficient number, since it is larger than the sum of its proper divisors (40377950).

49797730 is a wasteful number, since it uses less digits than its factorization.

49797730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29993.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 49797730 is about 7056.7506686860. The cubic root of 49797730 is about 367.9056990965.

The spelling of 49797730 in words is "forty-nine million, seven hundred ninety-seven thousand, seven hundred thirty".