52712739 has 12 divisors (see below), whose sum is σ = 76537656. Its totient is φ = 34958592.

The previous prime is 52712731. The next prime is 52712771. The reversal of 52712739 is 93721725.

52712739 is a `hidden beast` number, since 527 + 127 + 3 + 9 = 666.

It is not a de Polignac number, because 52712739 - 2³ = 52712731 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52712731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13437 + ... + 16910.

It is an arithmetic number, because the mean of its divisors is an integer number (6378138).

Almost surely, 2^52712739 is an apocalyptic number.

52712739 is a deficient number, since it is larger than the sum of its proper divisors (23824917).

52712739 is a wasteful number, since it uses less digits than its factorization.

52712739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30546 (or 30543 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 52712739 is about 7260.3539169933. The cubic root of 52712739 is about 374.9487076512.

The spelling of 52712739 in words is "fifty-two million, seven hundred twelve thousand, seven hundred thirty-nine".