71058272 has 24 divisors (see below), whose sum is σ = 141210216. Its totient is φ = 35195392.

The previous prime is 71058269. The next prime is 71058287. The reversal of 71058272 is 27285017.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6953 + ... + 13800.

It is an arithmetic number, because the mean of its divisors is an integer number (5883759).

Almost surely, 2^71058272 is an apocalyptic number.

It is an amenable number.

71058272 is a deficient number, since it is larger than the sum of its proper divisors (70151944).

71058272 is a wasteful number, since it uses less digits than its factorization.

71058272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20870 (or 20862 counting only the distinct ones).

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

The square root of 71058272 is about 8429.6068710231. The cubic root of 71058272 is about 414.1950274068.

The spelling of 71058272 in words is "seventy-one million, fifty-eight thousand, two hundred seventy-two".