74625673328 has 40 divisors (see below), whose sum is σ = 145792973712. Its totient is φ = 37002244608.

The previous prime is 74625673327. The next prime is 74625673393. The reversal of 74625673328 is 82337652647.

It is a happy number.

It is a Cunningham number, because it is equal to 273177²-1.

It is a super-2 number, since 2×74625673328² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74625673328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74625673327) 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, 2168351 + ... + 2202497.

Almost surely, 2^74625673328 is an apocalyptic number.

It is an amenable number.

74625673328 is a deficient number, since it is larger than the sum of its proper divisors (71167300384).

74625673328 is a wasteful number, since it uses less digits than its factorization.

74625673328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35289 (or 35283 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 53.

The spelling of 74625673328 in words is "seventy-four billion, six hundred twenty-five million, six hundred seventy-three thousand, three hundred twenty-eight".