82724465 has 16 divisors (see below), whose sum is σ = 107350272. Its totient is φ = 60958464.

The previous prime is 82724459. The next prime is 82724471. The reversal of 82724465 is 56442728.

It is an interprime number because it is at equal distance from previous prime (82724459) and next prime (82724471).

It is not a de Polignac number, because 82724465 - 2¹⁰ = 82723441 is a prime.

It is a Duffinian number.

It is a Curzon 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, 6359 + ... + 14348.

It is an arithmetic number, because the mean of its divisors is an integer number (6709392).

Almost surely, 2^82724465 is an apocalyptic number.

82724465 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82724465 is a deficient number, since it is larger than the sum of its proper divisors (24625807).

82724465 is a wasteful number, since it uses less digits than its factorization.

82724465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20776.

The product of its digits is 107520, while the sum is 38.

The square root of 82724465 is about 9095.2990605037. The cubic root of 82724465 is about 435.7238400024.

The spelling of 82724465 in words is "eighty-two million, seven hundred twenty-four thousand, four hundred sixty-five".