74672216567 has 8 divisors (see below), whose sum is σ = 80419402224. Its totient is φ = 68925483648.

The previous prime is 74672216561. The next prime is 74672216573. The reversal of 74672216567 is 76561227647.

It is an interprime number because it is at equal distance from previous prime (74672216561) and next prime (74672216573).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74672216567 - 2²² = 74668022263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74672216561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279983 + ... + 477215.

It is an arithmetic number, because the mean of its divisors is an integer number (10052425278).

Almost surely, 2^74672216567 is an apocalyptic number.

74672216567 is a deficient number, since it is larger than the sum of its proper divisors (5747185657).

74672216567 is a wasteful number, since it uses less digits than its factorization.

74672216567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226369.

The product of its digits is 5927040, while the sum is 53.

The spelling of 74672216567 in words is "seventy-four billion, six hundred seventy-two million, two hundred sixteen thousand, five hundred sixty-seven".