71552463 has 4 divisors (see below), whose sum is σ = 95403288. Its totient is φ = 47701640.

The previous prime is 71552447. The next prime is 71552477. The reversal of 71552463 is 36425517.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71552463 - 2⁴ = 71552447 is a prime.

It is a super-2 number, since 2×71552463² = 10239509922732738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71552263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11925408 + ... + 11925413.

It is an arithmetic number, because the mean of its divisors is an integer number (23850822).

Almost surely, 2^71552463 is an apocalyptic number.

71552463 is a deficient number, since it is larger than the sum of its proper divisors (23850825).

71552463 is a wasteful number, since it uses less digits than its factorization.

71552463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23850824.

The product of its digits is 25200, while the sum is 33.

The square root of 71552463 is about 8458.8688960168. The cubic root of 71552463 is about 415.1530146545.

The spelling of 71552463 in words is "seventy-one million, five hundred fifty-two thousand, four hundred sixty-three".