74672889619 has 8 divisors (see below), whose sum is σ = 74900548800. Its totient is φ = 74445504000.

The previous prime is 74672889607. The next prime is 74672889649. The reversal of 74672889619 is 91698827647.

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 74672889619 - 2⁹ = 74672889107 is a prime.

It is a super-2 number, since 2×74672889619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74672889649) 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, 485169 + ... + 620269.

It is an arithmetic number, because the mean of its divisors is an integer number (9362568600).

Almost surely, 2^74672889619 is an apocalyptic number.

74672889619 is a deficient number, since it is larger than the sum of its proper divisors (227659181).

74672889619 is a wasteful number, since it uses less digits than its factorization.

74672889619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136781.

The product of its digits is 73156608, while the sum is 67.

The spelling of 74672889619 in words is "seventy-four billion, six hundred seventy-two million, eight hundred eighty-nine thousand, six hundred nineteen".