70939239 has 8 divisors (see below), whose sum is σ = 108097920. Its totient is φ = 40536696.

The previous prime is 70939237. The next prime is 70939241. The reversal of 70939239 is 93293907.

It is an interprime number because it is at equal distance from previous prime (70939237) and next prime (70939241).

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

It is not a de Polignac number, because 70939239 - 2¹ = 70939237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70939239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70939237) 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, 1689009 + ... + 1689050.

It is an arithmetic number, because the mean of its divisors is an integer number (13512240).

Almost surely, 2^70939239 is an apocalyptic number.

70939239 is a deficient number, since it is larger than the sum of its proper divisors (37158681).

70939239 is a wasteful number, since it uses less digits than its factorization.

70939239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378069.

The product of its (nonzero) digits is 91854, while the sum is 42.

The square root of 70939239 is about 8422.5434994424. The cubic root of 70939239 is about 413.9636190580.

The spelling of 70939239 in words is "seventy million, nine hundred thirty-nine thousand, two hundred thirty-nine".