49979072 has 112 divisors (see below), whose sum is σ = 120164352. Its totient is φ = 20321280.

The previous prime is 49979057. The next prime is 49979081. The reversal of 49979072 is 27097994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393473 + ... + 393599.

It is an arithmetic number, because the mean of its divisors is an integer number (1072896).

Almost surely, 2^49979072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49979072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60082176).

49979072 is an abundant number, since it is smaller than the sum of its proper divisors (70185280).

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

49979072 is a wasteful number, since it uses less digits than its factorization.

49979072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 49979072 is about 7069.5878239117. The cubic root of 49979072 is about 368.3517430836.

The spelling of 49979072 in words is "forty-nine million, nine hundred seventy-nine thousand, seventy-two".