70724351700 has 216 divisors, whose sum is σ = 240878193920. Its totient is φ = 17290713600.

The previous prime is 70724351689. The next prime is 70724351729. The reversal of 70724351700 is 715342707.

70724351700 is a `hidden beast` number, since 70 + 72 + 4 + 3 + 517 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 463392 + ... + 596808.

Almost surely, 2^70724351700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70724351700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120439096960).

70724351700 is an abundant number, since it is smaller than the sum of its proper divisors (170153842220).

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

70724351700 is a wasteful number, since it uses less digits than its factorization.

70724351700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133487 (or 133477 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The spelling of 70724351700 in words is "seventy billion, seven hundred twenty-four million, three hundred fifty-one thousand, seven hundred".