70879620 has 48 divisors (see below), whose sum is σ = 226816128. Its totient is φ = 16200960.

The previous prime is 70879607. The next prime is 70879631. The reversal of 70879620 is 2697807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83961 + ... + 84800.

It is an arithmetic number, because the mean of its divisors is an integer number (4725336).

Almost surely, 2^70879620 is an apocalyptic number.

70879620 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70879620 is an abundant number, since it is smaller than the sum of its proper divisors (155936508).

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

70879620 is a wasteful number, since it uses less digits than its factorization.

70879620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168780 (or 168778 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 70879620 is about 8419.0035039784. The cubic root of 70879620 is about 413.8476183110.

The spelling of 70879620 in words is "seventy million, eight hundred seventy-nine thousand, six hundred twenty".