70705412 has 12 divisors (see below), whose sum is σ = 124032720. Its totient is φ = 35267496.

The previous prime is 70705399. The next prime is 70705429. The reversal of 70705412 is 21450707.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19418 + ... + 22769.

It is an arithmetic number, because the mean of its divisors is an integer number (10336060).

Almost surely, 2^70705412 is an apocalyptic number.

It is an amenable number.

70705412 is a deficient number, since it is larger than the sum of its proper divisors (53327308).

70705412 is a wasteful number, since it uses less digits than its factorization.

70705412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42610 (or 42608 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 70705412 is about 8408.6510214184. The cubic root of 70705412 is about 413.5082884623.

It can be divided in two parts, 70705 and 412, that added together give a palindrome (71117).

The spelling of 70705412 in words is "seventy million, seven hundred five thousand, four hundred twelve".