49720390 has 16 divisors (see below), whose sum is σ = 89604432. Its totient is φ = 19864224.

The previous prime is 49720361. The next prime is 49720417. The reversal of 49720390 is 9302794.

It is a congruent number.

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, 7477 + ... + 12463.

It is an arithmetic number, because the mean of its divisors is an integer number (5600277).

Almost surely, 2^49720390 is an apocalyptic number.

49720390 is a deficient number, since it is larger than the sum of its proper divisors (39884042).

49720390 is a wasteful number, since it uses less digits than its factorization.

49720390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 49720390 is about 7051.2686801738. The cubic root of 49720390 is about 367.7151377338.

The spelling of 49720390 in words is "forty-nine million, seven hundred twenty thousand, three hundred ninety".