70795980 has 36 divisors (see below), whose sum is σ = 214748352. Its totient is φ = 18878880.

The previous prime is 70795979. The next prime is 70795993. The reversal of 70795980 is 8959707.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196476 + ... + 196835.

It is an arithmetic number, because the mean of its divisors is an integer number (5965232).

Almost surely, 2^70795980 is an apocalyptic number.

It is an amenable number.

70795980 is an abundant number, since it is smaller than the sum of its proper divisors (143952372).

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

70795980 is a wasteful number, since it uses less digits than its factorization.

70795980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393326 (or 393321 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 70795980 is about 8414.0347039931. The cubic root of 70795980 is about 413.6847701891.

The spelling of 70795980 in words is "seventy million, seven hundred ninety-five thousand, nine hundred eighty".