74555849420 has 48 divisors (see below), whose sum is σ = 171792290880. Its totient is φ = 27008906496.

The previous prime is 74555849419. The next prime is 74555849437. The reversal of 74555849420 is 2494855547.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2691440 + ... + 2718999.

It is an arithmetic number, because the mean of its divisors is an integer number (3579006060).

Almost surely, 2^74555849420 is an apocalyptic number.

It is an amenable number.

74555849420 is an abundant number, since it is smaller than the sum of its proper divisors (97236441460).

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

74555849420 is a wasteful number, since it uses less digits than its factorization.

74555849420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410514 (or 5410512 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 74555849420 in words is "seventy-four billion, five hundred fifty-five million, eight hundred forty-nine thousand, four hundred twenty".