71500874 has 4 divisors (see below), whose sum is σ = 107251314. Its totient is φ = 35750436.

The previous prime is 71500837. The next prime is 71500879. The reversal of 71500874 is 47800517.

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

It can be written as a sum of positive squares in only one way, i.e., 71149225 + 351649 = 8435^2 + 593^2 .

It is a super-2 number, since 2×71500874² = 10224749965527752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71500874.

It is not an unprimeable number, because it can be changed into a prime (71500879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17875217 + ... + 17875220.

Almost surely, 2^71500874 is an apocalyptic number.

71500874 is a deficient number, since it is larger than the sum of its proper divisors (35750440).

71500874 is a wasteful number, since it uses less digits than its factorization.

71500874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35750439.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 71500874 is about 8455.8189431894. The cubic root of 71500874 is about 415.0532161882.

The spelling of 71500874 in words is "seventy-one million, five hundred thousand, eight hundred seventy-four".