71251334 has 24 divisors (see below), whose sum is σ = 134261904. Its totient is φ = 27759600.

The previous prime is 71251321. The next prime is 71251337. The reversal of 71251334 is 43315217.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71251337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19337 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (5594246).

Almost surely, 2^71251334 is an apocalyptic number.

71251334 is a deficient number, since it is larger than the sum of its proper divisors (63010570).

71251334 is a wasteful number, since it uses less digits than its factorization.

71251334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42092 (or 42081 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 71251334 is about 8441.0505270375. The cubic root of 71251334 is about 414.5698043637.

The spelling of 71251334 in words is "seventy-one million, two hundred fifty-one thousand, three hundred thirty-four".