70725985628 has 6 divisors (see below), whose sum is σ = 123770474856. Its totient is φ = 35362992812.

The previous prime is 70725985613. The next prime is 70725985633. The reversal of 70725985628 is 82658952707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8840748200 + ... + 8840748207.

It is an arithmetic number, because the mean of its divisors is an integer number (20628412476).

Almost surely, 2^70725985628 is an apocalyptic number.

It is an amenable number.

70725985628 is a deficient number, since it is larger than the sum of its proper divisors (53044489228).

70725985628 is a wasteful number, since it uses less digits than its factorization.

70725985628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17681496411 (or 17681496409 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 59.

The spelling of 70725985628 in words is "seventy billion, seven hundred twenty-five million, nine hundred eighty-five thousand, six hundred twenty-eight".