71314881 has 32 divisors (see below), whose sum is σ = 114628608. Its totient is φ = 38903040.

The previous prime is 71314879. The next prime is 71314883. The reversal of 71314881 is 18841317.

It is an interprime number because it is at equal distance from previous prime (71314879) and next prime (71314883).

It is not a de Polignac number, because 71314881 - 2¹ = 71314879 is a prime.

It is a super-2 number, since 2×71314881² = 10171624504088322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (71314883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10140 + ... + 15666.

It is an arithmetic number, because the mean of its divisors is an integer number (3582144).

Almost surely, 2^71314881 is an apocalyptic number.

It is an amenable number.

71314881 is a deficient number, since it is larger than the sum of its proper divisors (43313727).

71314881 is a wasteful number, since it uses less digits than its factorization.

71314881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581.

The product of its digits is 5376, while the sum is 33.

The square root of 71314881 is about 8444.8138523001. The cubic root of 71314881 is about 414.6930153397.

The spelling of 71314881 in words is "seventy-one million, three hundred fourteen thousand, eight hundred eighty-one".