74551893825 has 24 divisors (see below), whose sum is σ = 124529855968. Its totient is φ = 39351098880.

The previous prime is 74551893809. The next prime is 74551893859. The reversal of 74551893825 is 52839815547.

It is not a de Polignac number, because 74551893825 - 2⁴ = 74551893809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5116567 + ... + 5131116.

Almost surely, 2^74551893825 is an apocalyptic number.

74551893825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74551893825 is a deficient number, since it is larger than the sum of its proper divisors (49977962143).

74551893825 is a wasteful number, since it uses less digits than its factorization.

74551893825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10247793 (or 10247788 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 57.

The spelling of 74551893825 in words is "seventy-four billion, five hundred fifty-one million, eight hundred ninety-three thousand, eight hundred twenty-five".