70672654623 has 4 divisors (see below), whose sum is σ = 94230206168. Its totient is φ = 47115103080.

The previous prime is 70672654597. The next prime is 70672654721. The reversal of 70672654623 is 32645627607.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 70672654623 - 2¹⁰ = 70672653599 is a prime.

It is a super-2 number, since 2×70672654623² (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 (70672654823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11778775768 + ... + 11778775773.

It is an arithmetic number, because the mean of its divisors is an integer number (23557551542).

Almost surely, 2^70672654623 is an apocalyptic number.

70672654623 is a deficient number, since it is larger than the sum of its proper divisors (23557551545).

70672654623 is a wasteful number, since it uses less digits than its factorization.

70672654623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23557551544.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 70672654623 in words is "seventy billion, six hundred seventy-two million, six hundred fifty-four thousand, six hundred twenty-three".