70349739 has 8 divisors (see below), whose sum is σ = 94071360. Its totient is φ = 46763976.

The previous prime is 70349731. The next prime is 70349743. The reversal of 70349739 is 93794307.

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

It is not a de Polignac number, because 70349739 - 2³ = 70349731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70349739.

It is not an unprimeable number, because it can be changed into a prime (70349731) 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, 32749 + ... + 34830.

It is an arithmetic number, because the mean of its divisors is an integer number (11758920).

Almost surely, 2^70349739 is an apocalyptic number.

70349739 is a deficient number, since it is larger than the sum of its proper divisors (23721621).

70349739 is a wasteful number, since it uses less digits than its factorization.

70349739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67929.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 70349739 is about 8387.4751266397. The cubic root of 70349739 is about 412.8137587149.

The spelling of 70349739 in words is "seventy million, three hundred forty-nine thousand, seven hundred thirty-nine".