49730879 has 6 divisors (see below), whose sum is σ = 54663000. Its totient is φ = 45209780.

The previous prime is 49730873. The next prime is 49730893. The reversal of 49730879 is 97803794.

It is not a de Polignac number, because 49730879 - 2¹² = 49726783 is a prime.

It is a super-2 number, since 2×49730879² = 4946320652225282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49730873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205379 + ... + 205620.

It is an arithmetic number, because the mean of its divisors is an integer number (9110500).

Almost surely, 2^49730879 is an apocalyptic number.

49730879 is a deficient number, since it is larger than the sum of its proper divisors (4932121).

49730879 is a wasteful number, since it uses less digits than its factorization.

49730879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411021 (or 411010 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 49730879 is about 7052.0124078167. The cubic root of 49730879 is about 367.7409936109.

The spelling of 49730879 in words is "forty-nine million, seven hundred thirty thousand, eight hundred seventy-nine".