70016839 has 8 divisors (see below), whose sum is σ = 72113360. Its totient is φ = 67931136.

The previous prime is 70016803. The next prime is 70016851. The reversal of 70016839 is 93861007.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70016839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70016039) 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, 11527 + ... + 16519.

It is an arithmetic number, because the mean of its divisors is an integer number (9014170).

Almost surely, 2^70016839 is an apocalyptic number.

70016839 is a deficient number, since it is larger than the sum of its proper divisors (2096521).

70016839 is a wasteful number, since it uses less digits than its factorization.

70016839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 70016839 is about 8367.6065275561. The cubic root of 70016839 is about 412.1615741519.

The spelling of 70016839 in words is "seventy million, sixteen thousand, eight hundred thirty-nine".