74146162425 has 48 divisors (see below), whose sum is σ = 123220530048. Its totient is φ = 39341030400.

The previous prime is 74146162397. The next prime is 74146162427. The reversal of 74146162425 is 52426164147.

It is not a de Polignac number, because 74146162425 - 2²¹ = 74144065273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74146162427) 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 47 ways as a sum of consecutive naturals, for example, 30599764 + ... + 30602186.

It is an arithmetic number, because the mean of its divisors is an integer number (2567094376).

Almost surely, 2^74146162425 is an apocalyptic number.

74146162425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74146162425 is a deficient number, since it is larger than the sum of its proper divisors (49074367623).

74146162425 is a wasteful number, since it uses less digits than its factorization.

74146162425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370 (or 4365 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The spelling of 74146162425 in words is "seventy-four billion, one hundred forty-six million, one hundred sixty-two thousand, four hundred twenty-five".