71489692 has 12 divisors (see below), whose sum is σ = 132466320. Its totient is φ = 33642176.

The previous prime is 71489683. The next prime is 71489699. The reversal of 71489692 is 29698417.

It is a super-2 number, since 2×71489692² = 10221552124509728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71489699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525592 + ... + 525727.

It is an arithmetic number, because the mean of its divisors is an integer number (11038860).

Almost surely, 2^71489692 is an apocalyptic number.

It is an amenable number.

71489692 is a deficient number, since it is larger than the sum of its proper divisors (60976628).

71489692 is a wasteful number, since it uses less digits than its factorization.

71489692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051340 (or 1051338 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 71489692 is about 8455.1577158560. The cubic root of 71489692 is about 415.0315783780.

The spelling of 71489692 in words is "seventy-one million, four hundred eighty-nine thousand, six hundred ninety-two".