71674731 has 6 divisors (see below), whose sum is σ = 103530180. Its totient is φ = 47783148.

The previous prime is 71674727. The next prime is 71674741. The reversal of 71674731 is 13747617.

It is not a de Polignac number, because 71674731 - 2² = 71674727 is a prime.

It is a super-2 number, since 2×71674731² = 10274534127844722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71674741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3981921 + ... + 3981938.

It is an arithmetic number, because the mean of its divisors is an integer number (17255030).

Almost surely, 2^71674731 is an apocalyptic number.

71674731 is a deficient number, since it is larger than the sum of its proper divisors (31855449).

71674731 is a wasteful number, since it uses less digits than its factorization.

71674731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963865 (or 7963862 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 71674731 is about 8466.0930186244. The cubic root of 71674731 is about 415.3893496057.

The spelling of 71674731 in words is "seventy-one million, six hundred seventy-four thousand, seven hundred thirty-one".