82372491 has 8 divisors (see below), whose sum is σ = 122033360. Its totient is φ = 54914976.

The previous prime is 82372457. The next prime is 82372517. The reversal of 82372491 is 19427328.

It is not a de Polignac number, because 82372491 - 2¹¹ = 82370443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82372291) 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, 1525390 + ... + 1525443.

It is an arithmetic number, because the mean of its divisors is an integer number (15254170).

Almost surely, 2^82372491 is an apocalyptic number.

82372491 is a deficient number, since it is larger than the sum of its proper divisors (39660869).

82372491 is a wasteful number, since it uses less digits than its factorization.

82372491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050842 (or 3050836 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 82372491 is about 9075.9292086265. The cubic root of 82372491 is about 435.1049924927.

The spelling of 82372491 in words is "eighty-two million, three hundred seventy-two thousand, four hundred ninety-one".