70000430737 has 4 divisors (see below), whose sum is σ = 70062434020. Its totient is φ = 69938427456.

The previous prime is 70000430729. The next prime is 70000430791. The reversal of 70000430737 is 73703400007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73703400007 = 4441 ⋅16596127.

It can be written as a sum of positive squares in 2 ways, for example, as 9555258001 + 60445172736 = 97751^2 + 245856^2 .

It is a cyclic number.

It is not a de Polignac number, because 70000430737 - 2³ = 70000430729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70000430699 and 70000430708.

It is not an unprimeable number, because it can be changed into a prime (70000430707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30999948 + ... + 31002205.

It is an arithmetic number, because the mean of its divisors is an integer number (17515608505).

Almost surely, 2^70000430737 is an apocalyptic number.

It is an amenable number.

70000430737 is a deficient number, since it is larger than the sum of its proper divisors (62003283).

70000430737 is a wasteful number, since it uses less digits than its factorization.

70000430737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62003282.

The product of its (nonzero) digits is 12348, while the sum is 31.

The spelling of 70000430737 in words is "seventy billion, four hundred thirty thousand, seven hundred thirty-seven".