70061061697950 has 48 divisors (see below), whose sum is σ = 173751980540976. Its totient is φ = 18682890912000.

The previous prime is 70061061697937. The next prime is 70061061697993. The reversal of 70061061697950 is 5979616016007.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68938500 + ... + 69947400.

It is an arithmetic number, because the mean of its divisors is an integer number (3619832927937).

Almost surely, 2^{70061061697950} is an apocalyptic number.

70061061697950 is an abundant number, since it is smaller than the sum of its proper divisors (103690918843026).

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

70061061697950 is a wasteful number, since it uses less digits than its factorization.

70061061697950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471869 (or 1471864 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 57.

The spelling of 70061061697950 in words is "seventy trillion, sixty-one billion, sixty-one million, six hundred ninety-seven thousand, nine hundred fifty".