74676521201 has 4 divisors (see below), whose sum is σ = 74755378032. Its totient is φ = 74597664372.

The previous prime is 74676521159. The next prime is 74676521239. The reversal of 74676521201 is 10212567647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10212567647 = 3023 ⋅3378289.

It is a cyclic number.

It is not a de Polignac number, because 74676521201 - 2³⁰ = 73602779377 is a prime.

It is a super-3 number, since 3×74676521201³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74676521281) 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, 39426995 + ... + 39428888.

It is an arithmetic number, because the mean of its divisors is an integer number (18688844508).

Almost surely, 2^74676521201 is an apocalyptic number.

It is an amenable number.

74676521201 is a deficient number, since it is larger than the sum of its proper divisors (78856831).

74676521201 is an equidigital number, since it uses as much as digits as its factorization.

74676521201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78856830.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 74676521201 in words is "seventy-four billion, six hundred seventy-six million, five hundred twenty-one thousand, two hundred one".