70738901720 has 32 divisors (see below), whose sum is σ = 159187371120. Its totient is φ = 28291144320.

The previous prime is 70738901711. The next prime is 70738901797. The reversal of 70738901720 is 2710983707.

It is a congruent number.

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, 127790 + ... + 397250.

Almost surely, 2^70738901720 is an apocalyptic number.

It is an amenable number.

70738901720 is an abundant number, since it is smaller than the sum of its proper divisors (88448469400).

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

70738901720 is a wasteful number, since it uses less digits than its factorization.

70738901720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276035 (or 276031 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 44.

The spelling of 70738901720 in words is "seventy billion, seven hundred thirty-eight million, nine hundred one thousand, seven hundred twenty".