71899496 has 32 divisors (see below), whose sum is σ = 142680000. Its totient is φ = 33872256.

The previous prime is 71899493. The next prime is 71899507. The reversal of 71899496 is 69499817.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71899493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29060 + ... + 31436.

It is an arithmetic number, because the mean of its divisors is an integer number (4458750).

Almost surely, 2^71899496 is an apocalyptic number.

71899496 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

71899496 is a deficient number, since it is larger than the sum of its proper divisors (70780504).

71899496 is a wasteful number, since it uses less digits than its factorization.

71899496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601 (or 2597 counting only the distinct ones).

The product of its digits is 979776, while the sum is 53.

The square root of 71899496 is about 8479.3570510977. The cubic root of 71899496 is about 415.8231034128.

The spelling of 71899496 in words is "seventy-one million, eight hundred ninety-nine thousand, four hundred ninety-six".