82874436 has 12 divisors (see below), whose sum is σ = 193373712. Its totient is φ = 27624808.

The previous prime is 82874423. The next prime is 82874437. The reversal of 82874436 is 63447828.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (82874437) 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, 3453090 + ... + 3453113.

It is an arithmetic number, because the mean of its divisors is an integer number (16114476).

Almost surely, 2^82874436 is an apocalyptic number.

It is an amenable number.

82874436 is an abundant number, since it is smaller than the sum of its proper divisors (110499276).

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

82874436 is a wasteful number, since it uses less digits than its factorization.

82874436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6906210 (or 6906208 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 82874436 is about 9103.5397511078. The cubic root of 82874436 is about 435.9869886418.

The spelling of 82874436 in words is "eighty-two million, eight hundred seventy-four thousand, four hundred thirty-six".