70030624689 has 9 divisors (see below), whose sum is σ = 101156493529. Its totient is φ = 46686553860.

The previous prime is 70030624681. The next prime is 70030624709. The reversal of 70030624689 is 98642603007.

The square root of 70030624689 is 264633.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 70030624689 - 2³ = 70030624681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70030624681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 749794 + ... + 838004.

Almost surely, 2^70030624689 is an apocalyptic number.

70030624689 is the 264633-rd square number.

70030624689 is the 132317-th centered octagonal number.

It is an amenable number.

70030624689 is a deficient number, since it is larger than the sum of its proper divisors (31125868840).

70030624689 is an frugal number, since it uses more digits than its factorization.

70030624689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176428 (or 88214 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 70030624689 in words is "seventy billion, thirty million, six hundred twenty-four thousand, six hundred eighty-nine".