74425252446 has 12 divisors (see below), whose sum is σ = 161254713672. Its totient is φ = 24808417476.

The previous prime is 74425252439. The next prime is 74425252453. The reversal of 74425252446 is 64425252447.

74425252446 is a `hidden beast` number, since 74 + 4 + 2 + 52 + 524 + 4 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (74425252439) and next prime (74425252453).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2067368106 + ... + 2067368141.

It is an arithmetic number, because the mean of its divisors is an integer number (13437892806).

Almost surely, 2^74425252446 is an apocalyptic number.

74425252446 is an abundant number, since it is smaller than the sum of its proper divisors (86829461226).

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

74425252446 is a wasteful number, since it uses less digits than its factorization.

74425252446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134736255 (or 4134736252 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 45.

Subtracting from 74425252446 its reverse (64425252447), we obtain a palindrome (9999999999).

The spelling of 74425252446 in words is "seventy-four billion, four hundred twenty-five million, two hundred fifty-two thousand, four hundred forty-six".