74675896321 has 6 divisors (see below), whose sum is σ = 80862065430. Its totient is φ = 68931596448.

The previous prime is 74675896313. The next prime is 74675896333. The reversal of 74675896321 is 12369857647.

It can be written as a sum of positive squares in 3 ways, for example, as 4503886321 + 70172010000 = 67111^2 + 264900^2 .

It is not a de Polignac number, because 74675896321 - 2³ = 74675896313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74675896391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220934436 + ... + 220934773.

It is an arithmetic number, because the mean of its divisors is an integer number (13477010905).

Almost surely, 2^74675896321 is an apocalyptic number.

It is an amenable number.

74675896321 is a deficient number, since it is larger than the sum of its proper divisors (6186169109).

74675896321 is a wasteful number, since it uses less digits than its factorization.

74675896321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441869235 (or 441869222 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 58.

The spelling of 74675896321 in words is "seventy-four billion, six hundred seventy-five million, eight hundred ninety-six thousand, three hundred twenty-one".