70864842 has 16 divisors (see below), whose sum is σ = 145560672. Its totient is φ = 22983120.

The previous prime is 70864837. The next prime is 70864867. The reversal of 70864842 is 24846807.

It is a self number, because there is not a number n which added to its sum of digits gives 70864842.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159384 + ... + 159827.

It is an arithmetic number, because the mean of its divisors is an integer number (9097542).

Almost surely, 2^70864842 is an apocalyptic number.

70864842 is an abundant number, since it is smaller than the sum of its proper divisors (74695830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70864842 is a wasteful number, since it uses less digits than its factorization.

70864842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319253.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 70864842 is about 8418.1258009132. The cubic root of 70864842 is about 413.8188546824.

The spelling of 70864842 in words is "seventy million, eight hundred sixty-four thousand, eight hundred forty-two".