52068739 has 8 divisors (see below), whose sum is σ = 56067120. Its totient is φ = 48174336.

The previous prime is 52068733. The next prime is 52068761. The reversal of 52068739 is 93786025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52068739 - 2¹⁷ = 51937667 is a prime.

It is a super-2 number, since 2×52068739² = 5422307162100242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52068733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24954 + ... + 26959.

It is an arithmetic number, because the mean of its divisors is an integer number (7008390).

Almost surely, 2^52068739 is an apocalyptic number.

52068739 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

52068739 is a deficient number, since it is larger than the sum of its proper divisors (3998381).

52068739 is a wasteful number, since it uses less digits than its factorization.

52068739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51989.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 52068739 is about 7215.8671689548. The cubic root of 52068739 is about 373.4155106267.

The spelling of 52068739 in words is "fifty-two million, sixty-eight thousand, seven hundred thirty-nine".