82290746 has 4 divisors (see below), whose sum is σ = 123436122. Its totient is φ = 41145372.

The previous prime is 82290739. The next prime is 82290751. The reversal of 82290746 is 64709228.

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

It can be written as a sum of positive squares in only one way, i.e., 49857721 + 32433025 = 7061^2 + 5695^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20572685 + ... + 20572688.

Almost surely, 2^82290746 is an apocalyptic number.

82290746 is a deficient number, since it is larger than the sum of its proper divisors (41145376).

82290746 is a wasteful number, since it uses less digits than its factorization.

82290746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41145375.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 82290746 is about 9071.4246951623. The cubic root of 82290746 is about 434.9610146944.

The spelling of 82290746 in words is "eighty-two million, two hundred ninety thousand, seven hundred forty-six".