70638834031 has 8 divisors (see below), whose sum is σ = 72619259328. Its totient is φ = 68670672000.

The previous prime is 70638834001. The next prime is 70638834043. The reversal of 70638834031 is 13043883607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70638834031 - 2¹¹ = 70638831983 is a prime.

It is a super-2 number, since 2×70638834031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70638834001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054135 + ... + 3077176.

It is an arithmetic number, because the mean of its divisors is an integer number (9077407416).

Almost surely, 2^70638834031 is an apocalyptic number.

70638834031 is a deficient number, since it is larger than the sum of its proper divisors (1980425297).

70638834031 is a wasteful number, since it uses less digits than its factorization.

70638834031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131633.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 70638834031 in words is "seventy billion, six hundred thirty-eight million, eight hundred thirty-four thousand, thirty-one".