71045274 has 16 divisors (see below), whose sum is σ = 142206912. Its totient is φ = 23662368.

The previous prime is 71045269. The next prime is 71045287. The reversal of 71045274 is 47254017.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4467 + ... + 12729.

It is an arithmetic number, because the mean of its divisors is an integer number (8887932).

Almost surely, 2^71045274 is an apocalyptic number.

71045274 is an abundant number, since it is smaller than the sum of its proper divisors (71161638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71045274 is a wasteful number, since it uses less digits than its factorization.

71045274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9701.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 71045274 is about 8428.8358626800. The cubic root of 71045274 is about 414.1697709747.

The spelling of 71045274 in words is "seventy-one million, forty-five thousand, two hundred seventy-four".