70550660 has 24 divisors (see below), whose sum is σ = 154598976. Its totient is φ = 26993120.

The previous prime is 70550657. The next prime is 70550681. The reversal of 70550660 is 6605507.

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, 76226 + ... + 77145.

It is an arithmetic number, because the mean of its divisors is an integer number (6441624).

Almost surely, 2^70550660 is an apocalyptic number.

It is an amenable number.

70550660 is an abundant number, since it is smaller than the sum of its proper divisors (84048316).

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

70550660 is a wasteful number, since it uses less digits than its factorization.

70550660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153403 (or 153401 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 70550660 is about 8399.4440292200. Note that the first 3 decimals coincide. The cubic root of 70550660 is about 413.2063880594.

The spelling of 70550660 in words is "seventy million, five hundred fifty thousand, six hundred sixty".