82749654 has 32 divisors (see below), whose sum is σ = 198035040. Its totient is φ = 25461216.

The previous prime is 82749643. The next prime is 82749671. The reversal of 82749654 is 45694728.

It is a happy number.

It is a super-3 number, since 3×82749654³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58237 + ... + 59640.

It is an arithmetic number, because the mean of its divisors is an integer number (6188595).

Almost surely, 2^82749654 is an apocalyptic number.

82749654 is an abundant number, since it is smaller than the sum of its proper divisors (115285386).

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

82749654 is a wasteful number, since it uses less digits than its factorization.

82749654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117901 (or 117895 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 82749654 is about 9096.6836814303. The cubic root of 82749654 is about 435.7680604315.

The spelling of 82749654 in words is "eighty-two million, seven hundred forty-nine thousand, six hundred fifty-four".