70640050860 has 96 divisors (see below), whose sum is σ = 219807866880. Its totient is φ = 18834019776.

The previous prime is 70640050843. The next prime is 70640050879. The reversal of 70640050860 is 6805004607.

It is a happy number.

70640050860 is a `hidden beast` number, since 7 + 0 + 640 + 0 + 5 + 0 + 8 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5351829 + ... + 5365011.

It is an arithmetic number, because the mean of its divisors is an integer number (2289665280).

Almost surely, 2^70640050860 is an apocalyptic number.

It is an amenable number.

70640050860 is an abundant number, since it is smaller than the sum of its proper divisors (149167816020).

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

70640050860 is a wasteful number, since it uses less digits than its factorization.

70640050860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23124 (or 23116 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 70640050860 in words is "seventy billion, six hundred forty million, fifty thousand, eight hundred sixty".