74425071852 has 36 divisors (see below), whose sum is σ = 194617288320. Its totient is φ = 23952896352.

The previous prime is 74425071841. The next prime is 74425071857. The reversal of 74425071852 is 25817052447.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 74425071798 and 74425071807.

It is not an unprimeable number, because it can be changed into a prime (74425071857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35643148 + ... + 35645235.

Almost surely, 2^74425071852 is an apocalyptic number.

It is an amenable number.

74425071852 is an abundant number, since it is smaller than the sum of its proper divisors (120192216468).

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

74425071852 is a wasteful number, since it uses less digits than its factorization.

74425071852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71288422 (or 71288417 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The spelling of 74425071852 in words is "seventy-four billion, four hundred twenty-five million, seventy-one thousand, eight hundred fifty-two".