71692085 has 4 divisors (see below), whose sum is σ = 86030508. Its totient is φ = 57353664.

The previous prime is 71692079. The next prime is 71692097. The reversal of 71692085 is 58029617.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14205361 + 57486724 = 3769^2 + 7582^2 .

It is a cyclic number.

It is not a de Polignac number, because 71692085 - 2⁴ = 71692069 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 7169204 + ... + 7169213.

It is an arithmetic number, because the mean of its divisors is an integer number (21507627).

Almost surely, 2^71692085 is an apocalyptic number.

It is an amenable number.

71692085 is a deficient number, since it is larger than the sum of its proper divisors (14338423).

71692085 is a wasteful number, since it uses less digits than its factorization.

71692085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14338422.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 71692085 is about 8467.1178685548. The cubic root of 71692085 is about 415.4228718107.

The spelling of 71692085 in words is "seventy-one million, six hundred ninety-two thousand, eighty-five".