49209872 has 10 divisors (see below), whose sum is σ = 95344158. Its totient is φ = 24604928.

The previous prime is 49209871. The next prime is 49209877. The reversal of 49209872 is 27890294.

It can be written as a sum of positive squares in only one way, i.e., 38738176 + 10471696 = 6224^2 + 3236^2 .

It is a super-2 number, since 2×49209872² = 4843223004512768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49209871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1537793 + ... + 1537824.

Almost surely, 2^49209872 is an apocalyptic number.

It is an amenable number.

49209872 is a deficient number, since it is larger than the sum of its proper divisors (46134286).

49209872 is a wasteful number, since it uses less digits than its factorization.

49209872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075625 (or 3075619 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 49209872 is about 7014.9748395842. The cubic root of 49209872 is about 366.4522662103.

The spelling of 49209872 in words is "forty-nine million, two hundred nine thousand, eight hundred seventy-two".