49677972 has 12 divisors (see below), whose sum is σ = 115915296. Its totient is φ = 16559320.

The previous prime is 49677967. The next prime is 49677977. The reversal of 49677972 is 27977694.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49677967) and next prime (49677977).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49677977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069904 + ... + 2069927.

It is an arithmetic number, because the mean of its divisors is an integer number (9659608).

Almost surely, 2^49677972 is an apocalyptic number.

It is an amenable number.

49677972 is an abundant number, since it is smaller than the sum of its proper divisors (66237324).

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

49677972 is a wasteful number, since it uses less digits than its factorization.

49677972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139838 (or 4139836 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 51.

The square root of 49677972 is about 7048.2602108605. The cubic root of 49677972 is about 367.6105382696.

The spelling of 49677972 in words is "forty-nine million, six hundred seventy-seven thousand, nine hundred seventy-two".