74241239928 has 16 divisors (see below), whose sum is σ = 185603099880. Its totient is φ = 24747079968.

The previous prime is 74241239893. The next prime is 74241239929. The reversal of 74241239928 is 82993214247.

It is a happy number.

It is a super-2 number, since 2×74241239928² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74241239929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1546692475 + ... + 1546692522.

Almost surely, 2^74241239928 is an apocalyptic number.

It is an amenable number.

74241239928 is an abundant number, since it is smaller than the sum of its proper divisors (111361859952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74241239928 is a wasteful number, since it uses less digits than its factorization.

74241239928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093385006 (or 3093385002 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 74241239928 in words is "seventy-four billion, two hundred forty-one million, two hundred thirty-nine thousand, nine hundred twenty-eight".