74740671 has 16 divisors (see below), whose sum is σ = 111373920. Its totient is φ = 49536000.

The previous prime is 74740667. The next prime is 74740681. The reversal of 74740671 is 17604747.

It is not a de Polignac number, because 74740671 - 2² = 74740667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74740681) 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 15 ways as a sum of consecutive naturals, for example, 3330 + ... + 12671.

It is an arithmetic number, because the mean of its divisors is an integer number (6960870).

Almost surely, 2^74740671 is an apocalyptic number.

74740671 is a deficient number, since it is larger than the sum of its proper divisors (36633249).

74740671 is a wasteful number, since it uses less digits than its factorization.

74740671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16183 (or 16177 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 74740671 is about 8645.2687060611. The cubic root of 74740671 is about 421.2297123543.

The spelling of 74740671 in words is "seventy-four million, seven hundred forty thousand, six hundred seventy-one".