49724929 has 4 divisors (see below), whose sum is σ = 51068884. Its totient is φ = 48380976.

The previous prime is 49724903. The next prime is 49724951. The reversal of 49724929 is 92942794.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45427600 + 4297329 = 6740^2 + 2073^2 .

It is a cyclic number.

It is not a de Polignac number, because 49724929 - 2⁵ = 49724897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49724959) 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, 671922 + ... + 671995.

It is an arithmetic number, because the mean of its divisors is an integer number (12767221).

Almost surely, 2^49724929 is an apocalyptic number.

It is an amenable number.

49724929 is a deficient number, since it is larger than the sum of its proper divisors (1343955).

49724929 is a wasteful number, since it uses less digits than its factorization.

49724929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343954.

The product of its digits is 326592, while the sum is 46.

The square root of 49724929 is about 7051.5905298025. The cubic root of 49724929 is about 367.7263270280.

It can be divided in two parts, 49724 and 929, that added together give a cube (50653 = 37³).

The spelling of 49724929 in words is "forty-nine million, seven hundred twenty-four thousand, nine hundred twenty-nine".