74918519325 has 192 divisors, whose sum is σ = 157894894080. Its totient is φ = 34500833280.

The previous prime is 74918519317. The next prime is 74918519341. The reversal of 74918519325 is 52391581947.

It is a happy number.

74918519325 is a `hidden beast` number, since 7 + 4 + 91 + 8 + 519 + 32 + 5 = 666.

It is not a de Polignac number, because 74918519325 - 2³ = 74918519317 is a prime.

It is a super-2 number, since 2×74918519325² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 25805824 + ... + 25808726.

It is an arithmetic number, because the mean of its divisors is an integer number (822369240).

Almost surely, 2^74918519325 is an apocalyptic number.

74918519325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74918519325 is an abundant number, since it is smaller than the sum of its proper divisors (82976374755).

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

74918519325 is a wasteful number, since it uses less digits than its factorization.

74918519325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3114 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 74918519325 in words is "seventy-four billion, nine hundred eighteen million, five hundred nineteen thousand, three hundred twenty-five".