82694491 has 4 divisors (see below), whose sum is σ = 90212184. Its totient is φ = 75176800.

The previous prime is 82694489. The next prime is 82694497. The reversal of 82694491 is 19449628.

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

It is a cyclic number.

It is not a de Polignac number, because 82694491 - 2¹ = 82694489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82694497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3758830 + ... + 3758851.

It is an arithmetic number, because the mean of its divisors is an integer number (22553046).

Almost surely, 2^82694491 is an apocalyptic number.

82694491 is a deficient number, since it is larger than the sum of its proper divisors (7517693).

82694491 is a wasteful number, since it uses less digits than its factorization.

82694491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7517692.

The product of its digits is 124416, while the sum is 43.

The square root of 82694491 is about 9093.6511369196. The cubic root of 82694491 is about 435.6712075915.

The spelling of 82694491 in words is "eighty-two million, six hundred ninety-four thousand, four hundred ninety-one".