74497871 has 8 divisors (see below), whose sum is σ = 85263360. Its totient is φ = 63763128.

The previous prime is 74497847. The next prime is 74497883. The reversal of 74497871 is 17879447.

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 74497871 - 2¹⁴ = 74481487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74497811) 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, 2231 + ... + 12408.

It is an arithmetic number, because the mean of its divisors is an integer number (10657920).

Almost surely, 2^74497871 is an apocalyptic number.

74497871 is a deficient number, since it is larger than the sum of its proper divisors (10765489).

74497871 is a wasteful number, since it uses less digits than its factorization.

74497871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15373.

The product of its digits is 395136, while the sum is 47.

The square root of 74497871 is about 8631.2149202763. The cubic root of 74497871 is about 420.7730867017.

The spelling of 74497871 in words is "seventy-four million, four hundred ninety-seven thousand, eight hundred seventy-one".