70739339 has 4 divisors (see below), whose sum is σ = 77170200. Its totient is φ = 64308480.

The previous prime is 70739269. The next prime is 70739341. The reversal of 70739339 is 93393707.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70739339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70739296 and 70739305.

It is not an unprimeable number, because it can be changed into a prime (70739639) 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, 3215414 + ... + 3215435.

It is an arithmetic number, because the mean of its divisors is an integer number (19292550).

Almost surely, 2^70739339 is an apocalyptic number.

70739339 is a deficient number, since it is larger than the sum of its proper divisors (6430861).

70739339 is a wasteful number, since it uses less digits than its factorization.

70739339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430860.

The product of its (nonzero) digits is 107163, while the sum is 41.

The square root of 70739339 is about 8410.6681660853. The cubic root of 70739339 is about 413.5744166035.

The spelling of 70739339 in words is "seventy million, seven hundred thirty-nine thousand, three hundred thirty-nine".