70665834 has 16 divisors (see below), whose sum is σ = 143727840. Its totient is φ = 23155920.

The previous prime is 70665809. The next prime is 70665841. The reversal of 70665834 is 43856607.

It is a junction number, because it is equal to n+sod(n) for n = 70665792 and 70665801.

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, 99457 + ... + 100164.

It is an arithmetic number, because the mean of its divisors is an integer number (8982990).

Almost surely, 2^70665834 is an apocalyptic number.

70665834 is an abundant number, since it is smaller than the sum of its proper divisors (73062006).

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

70665834 is a wasteful number, since it uses less digits than its factorization.

70665834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199685.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 70665834 is about 8406.2972823949. The cubic root of 70665834 is about 413.4311190483.

The spelling of 70665834 in words is "seventy million, six hundred sixty-five thousand, eight hundred thirty-four".