74274671 has 4 divisors (see below), whose sum is σ = 74956200. Its totient is φ = 73593144.

The previous prime is 74274643. The next prime is 74274679. The reversal of 74274671 is 17647247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74274671 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 (74274679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340601 + ... + 340818.

It is an arithmetic number, because the mean of its divisors is an integer number (18739050).

Almost surely, 2^74274671 is an apocalyptic number.

74274671 is a deficient number, since it is larger than the sum of its proper divisors (681529).

74274671 is a wasteful number, since it uses less digits than its factorization.

74274671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681528.

The product of its digits is 65856, while the sum is 38.

The square root of 74274671 is about 8618.2754075279. The cubic root of 74274671 is about 420.3524460342.

The spelling of 74274671 in words is "seventy-four million, two hundred seventy-four thousand, six hundred seventy-one".