70121960 has 16 divisors (see below), whose sum is σ = 157774500. Its totient is φ = 28048768.

The previous prime is 70121959. The next prime is 70121983. The reversal of 70121960 is 6912107.

It can be written as a sum of positive squares in 2 ways, for example, as 69923044 + 198916 = 8362^2 + 446^2 .

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, 876485 + ... + 876564.

Almost surely, 2^70121960 is an apocalyptic number.

It is an amenable number.

70121960 is an abundant number, since it is smaller than the sum of its proper divisors (87652540).

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

70121960 is a wasteful number, since it uses less digits than its factorization.

70121960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753060 (or 1753056 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 70121960 is about 8373.8855974989. The cubic root of 70121960 is about 412.3677396608.

The spelling of 70121960 in words is "seventy million, one hundred twenty-one thousand, nine hundred sixty".