82149704 has 32 divisors (see below), whose sum is σ = 189577920. Its totient is φ = 32498496.

The previous prime is 82149689. The next prime is 82149709. The reversal of 82149704 is 40794128.

It is not an unprimeable number, because it can be changed into a prime (82149709) 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, 55694 + ... + 57149.

It is an arithmetic number, because the mean of its divisors is an integer number (5924310).

Almost surely, 2^82149704 is an apocalyptic number.

It is an amenable number.

82149704 is an abundant number, since it is smaller than the sum of its proper divisors (107428216).

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

82149704 is a wasteful number, since it uses less digits than its factorization.

82149704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112869 (or 112865 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 82149704 is about 9063.6473894343. The cubic root of 82149704 is about 434.7123725049.

The spelling of 82149704 in words is "eighty-two million, one hundred forty-nine thousand, seven hundred four".