71152263 has 80 divisors (see below), whose sum is σ = 134164800. Its totient is φ = 37340352.

The previous prime is 71152253. The next prime is 71152267. The reversal of 71152263 is 36225117.

It is a happy number.

It is not a de Polignac number, because 71152263 - 2⁵ = 71152231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71152267) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 361081 + ... + 361277.

It is an arithmetic number, because the mean of its divisors is an integer number (1677060).

Almost surely, 2^71152263 is an apocalyptic number.

71152263 is a deficient number, since it is larger than the sum of its proper divisors (63012537).

71152263 is a wasteful number, since it uses less digits than its factorization.

71152263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 220 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 71152263 is about 8435.1800810653. The cubic root of 71152263 is about 414.3775698536.

The spelling of 71152263 in words is "seventy-one million, one hundred fifty-two thousand, two hundred sixty-three".