71368885 has 16 divisors (see below), whose sum is σ = 102134016. Its totient is φ = 46810368.

The previous prime is 71368877. The next prime is 71368897. The reversal of 71368885 is 58886317.

71368885 = 1283² + 1284² + ... + 1324².

It is a cyclic number.

It is not a de Polignac number, because 71368885 - 2³ = 71368877 is a prime.

It is a super-2 number, since 2×71368885² = 10187035492286450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43524 + ... + 45133.

It is an arithmetic number, because the mean of its divisors is an integer number (6383376).

Almost surely, 2^71368885 is an apocalyptic number.

It is an amenable number.

71368885 is a deficient number, since it is larger than the sum of its proper divisors (30765131).

71368885 is a wasteful number, since it uses less digits than its factorization.

71368885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88692.

The product of its digits is 322560, while the sum is 46.

The square root of 71368885 is about 8448.0107125879. The cubic root of 71368885 is about 414.7976659198.

The spelling of 71368885 in words is "seventy-one million, three hundred sixty-eight thousand, eight hundred eighty-five".