71936253 has 12 divisors (see below), whose sum is σ = 104657280. Its totient is φ = 47611656.

The previous prime is 71936239. The next prime is 71936257. The reversal of 71936253 is 35263917.

It is a de Polignac number, because none of the positive numbers 2^k-71936253 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71936257) 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, 27501 + ... + 30002.

It is an arithmetic number, because the mean of its divisors is an integer number (8721440).

Almost surely, 2^71936253 is an apocalyptic number.

It is an amenable number.

71936253 is a deficient number, since it is larger than the sum of its proper divisors (32721027).

71936253 is a wasteful number, since it uses less digits than its factorization.

71936253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57648 (or 57645 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 71936253 is about 8481.5242144322. The cubic root of 71936253 is about 415.8939514103.

The spelling of 71936253 in words is "seventy-one million, nine hundred thirty-six thousand, two hundred fifty-three".