70723686873904 has 40 divisors (see below), whose sum is σ = 142123951819728. Its totient is φ = 34065463276800.

The previous prime is 70723686873893. The next prime is 70723686873919. The reversal of 70723686873904 is 40937868632707.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

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, 591354502 + ... + 591474085.

Almost surely, 2^{70723686873904} is an apocalyptic number.

70723686873904 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

70723686873904 is an abundant number, since it is smaller than the sum of its proper divisors (71400264945824).

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

70723686873904 is a wasteful number, since it uses less digits than its factorization.

70723686873904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182828733 (or 1182828727 counting only the distinct ones).

The product of its (nonzero) digits is 512096256, while the sum is 70.

The spelling of 70723686873904 in words is "seventy trillion, seven hundred twenty-three billion, six hundred eighty-six million, eight hundred seventy-three thousand, nine hundred four".