74393654028 has 12 divisors (see below), whose sum is σ = 173585192760. Its totient is φ = 24797884672.

The previous prime is 74393653979. The next prime is 74393654029. The reversal of 74393654028 is 82045639347.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (74393654029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3099735573 + ... + 3099735596.

It is an arithmetic number, because the mean of its divisors is an integer number (14465432730).

Almost surely, 2^74393654028 is an apocalyptic number.

It is an amenable number.

74393654028 is an abundant number, since it is smaller than the sum of its proper divisors (99191538732).

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

74393654028 is a wasteful number, since it uses less digits than its factorization.

74393654028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6199471176 (or 6199471174 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 74393654028 in words is "seventy-four billion, three hundred ninety-three million, six hundred fifty-four thousand, twenty-eight".