82642494 has 16 divisors (see below), whose sum is σ = 180311040. Its totient is φ = 25043160.

The previous prime is 82642481. The next prime is 82642499. The reversal of 82642494 is 49424628.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82642499) 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, 626014 + ... + 626145.

It is an arithmetic number, because the mean of its divisors is an integer number (11269440).

Almost surely, 2^82642494 is an apocalyptic number.

82642494 is an abundant number, since it is smaller than the sum of its proper divisors (97668546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82642494 is a wasteful number, since it uses less digits than its factorization.

82642494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252175.

The product of its digits is 110592, while the sum is 39.

The square root of 82642494 is about 9090.7917146968. The cubic root of 82642494 is about 435.5798740365.

The spelling of 82642494 in words is "eighty-two million, six hundred forty-two thousand, four hundred ninety-four".