74635614735420 has 24 divisors (see below), whose sum is σ = 208979721259344. Its totient is φ = 19902830596096.

The previous prime is 74635614735379. The next prime is 74635614735463. The reversal of 74635614735420 is 2453741653647.

It is a happy number.

74635614735420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621963456069 + ... + 621963456188.

It is an arithmetic number, because the mean of its divisors is an integer number (8707488385806).

Almost surely, 2^{74635614735420} is an apocalyptic number.

It is an amenable number.

74635614735420 is an abundant number, since it is smaller than the sum of its proper divisors (134344106523924).

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

74635614735420 is a wasteful number, since it uses less digits than its factorization.

74635614735420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243926912269 (or 1243926912267 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 57.

The spelling of 74635614735420 in words is "seventy-four trillion, six hundred thirty-five billion, six hundred fourteen million, seven hundred thirty-five thousand, four hundred twenty".