82374815 has 8 divisors (see below), whose sum is σ = 99422208. Its totient is φ = 65518240.

The previous prime is 82374811. The next prime is 82374829. The reversal of 82374815 is 51847328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82374815 - 2² = 82374811 is a prime.

It is a super-2 number, since 2×82374815² = 13571220292568450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82374811) 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, 46751 + ... + 48480.

It is an arithmetic number, because the mean of its divisors is an integer number (12427776).

Almost surely, 2^82374815 is an apocalyptic number.

82374815 is a deficient number, since it is larger than the sum of its proper divisors (17047393).

82374815 is a wasteful number, since it uses less digits than its factorization.

82374815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95409.

The product of its digits is 53760, while the sum is 38.

The square root of 82374815 is about 9076.0572386913. The cubic root of 82374815 is about 435.1090843704.

The spelling of 82374815 in words is "eighty-two million, three hundred seventy-four thousand, eight hundred fifteen".