73642794623 has 8 divisors (see below), whose sum is σ = 75324249648. Its totient is φ = 71972153344.

The previous prime is 73642794601. The next prime is 73642794629. The reversal of 73642794623 is 32649724637.

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 73642794623 - 2¹² = 73642790527 is a prime.

It is a super-2 number, since 2×73642794623² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73642794629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2689661 + ... + 2716902.

It is an arithmetic number, because the mean of its divisors is an integer number (9415531206).

Almost surely, 2^73642794623 is an apocalyptic number.

73642794623 is a deficient number, since it is larger than the sum of its proper divisors (1681455025).

73642794623 is a wasteful number, since it uses less digits than its factorization.

73642794623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406873.

The product of its digits is 9144576, while the sum is 53.

The spelling of 73642794623 in words is "seventy-three billion, six hundred forty-two million, seven hundred ninety-four thousand, six hundred twenty-three".