71021274 has 32 divisors (see below), whose sum is σ = 152228160. Its totient is φ = 22010112.

The previous prime is 71021267. The next prime is 71021303. The reversal of 71021274 is 47212017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4272 + ... + 12660.

It is an arithmetic number, because the mean of its divisors is an integer number (4757130).

Almost surely, 2^71021274 is an apocalyptic number.

71021274 is an abundant number, since it is smaller than the sum of its proper divisors (81206886).

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

71021274 is a wasteful number, since it uses less digits than its factorization.

71021274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8494.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 71021274 is about 8427.4120582774. The cubic root of 71021274 is about 414.1231284446.

The spelling of 71021274 in words is "seventy-one million, twenty-one thousand, two hundred seventy-four".