70879390 has 16 divisors (see below), whose sum is σ = 127804032. Its totient is φ = 28302624.

The previous prime is 70879387. The next prime is 70879411. The reversal of 70879390 is 9397807.

It is a congruent number.

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, 232 + ... + 11908.

It is an arithmetic number, because the mean of its divisors is an integer number (7987752).

Almost surely, 2^70879390 is an apocalyptic number.

70879390 is a deficient number, since it is larger than the sum of its proper divisors (56924642).

70879390 is a wasteful number, since it uses less digits than its factorization.

70879390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 70879390 is about 8418.9898443934. The cubic root of 70879390 is about 413.8471706738.

The spelling of 70879390 in words is "seventy million, eight hundred seventy-nine thousand, three hundred ninety".