82740892 has 48 divisors (see below), whose sum is σ = 160524000. Its totient is φ = 37082880.

The previous prime is 82740871. The next prime is 82740899. The reversal of 82740892 is 29804728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82740899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457042 + ... + 457222.

It is an arithmetic number, because the mean of its divisors is an integer number (3344250).

Almost surely, 2^82740892 is an apocalyptic number.

It is an amenable number.

82740892 is a deficient number, since it is larger than the sum of its proper divisors (77783108).

82740892 is a wasteful number, since it uses less digits than its factorization.

82740892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 82740892 is about 9096.2020645982. The cubic root of 82740892 is about 435.7526793621.

The spelling of 82740892 in words is "eighty-two million, seven hundred forty thousand, eight hundred ninety-two".