71312374 has 24 divisors (see below), whose sum is σ = 127809360. Its totient is φ = 29230608.

The previous prime is 71312341. The next prime is 71312387. The reversal of 71312374 is 47321317.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2592 + ... + 12220.

It is an arithmetic number, because the mean of its divisors is an integer number (5325390).

Almost surely, 2^71312374 is an apocalyptic number.

71312374 is a deficient number, since it is larger than the sum of its proper divisors (56496986).

71312374 is a wasteful number, since it uses less digits than its factorization.

71312374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9684 (or 9661 counting only the distinct ones).

The product of its digits is 3528, while the sum is 28.

The square root of 71312374 is about 8444.6654166995. The cubic root of 71312374 is about 414.6881559165.

It can be divided in two parts, 71 and 312374, that added together give a triangular number (312445 = T₇₉₀).

The spelling of 71312374 in words is "seventy-one million, three hundred twelve thousand, three hundred seventy-four".