70666723424 has 24 divisors (see below), whose sum is σ = 151772849928. Its totient is φ = 32121237760.

The previous prime is 70666723399. The next prime is 70666723441. The reversal of 70666723424 is 42432766607.

It is a super-2 number, since 2×70666723424² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100378517 + ... + 100379220.

It is an arithmetic number, because the mean of its divisors is an integer number (6323868747).

Almost surely, 2^70666723424 is an apocalyptic number.

It is an amenable number.

70666723424 is an abundant number, since it is smaller than the sum of its proper divisors (81106126504).

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

70666723424 is a wasteful number, since it uses less digits than its factorization.

70666723424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200757758 (or 200757750 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 47.

The spelling of 70666723424 in words is "seventy billion, six hundred sixty-six million, seven hundred twenty-three thousand, four hundred twenty-four".