73674974391 has 16 divisors (see below), whose sum is σ = 104465944800. Its totient is φ = 46025561088.

The previous prime is 73674974341. The next prime is 73674974437. The reversal of 73674974391 is 19347947637.

It is not a de Polignac number, because 73674974391 - 2¹⁵ = 73674941623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73674974341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3142486 + ... + 3165843.

It is an arithmetic number, because the mean of its divisors is an integer number (6529121550).

Almost surely, 2^73674974391 is an apocalyptic number.

73674974391 is a deficient number, since it is larger than the sum of its proper divisors (30790970409).

73674974391 is a wasteful number, since it uses less digits than its factorization.

73674974391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308578.

The product of its digits is 24004512, while the sum is 60.

The spelling of 73674974391 in words is "seventy-three billion, six hundred seventy-four million, nine hundred seventy-four thousand, three hundred ninety-one".