8372642 has 8 divisors (see below), whose sum is σ = 12572496. Its totient is φ = 4181812.

The previous prime is 8372641. The next prime is 8372669. The reversal of 8372642 is 2462738.

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

It is a super-2 number, since 2×8372642² = 140202268120328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8372599 and 8372608.

It is not an unprimeable number, because it can be changed into a prime (8372641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013 + ... + 4215.

It is an arithmetic number, because the mean of its divisors is an integer number (1571562).

Almost surely, 2^8372642 is an apocalyptic number.

8372642 is a deficient number, since it is larger than the sum of its proper divisors (4199854).

8372642 is a wasteful number, since it uses less digits than its factorization.

8372642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512.

The product of its digits is 16128, while the sum is 32.

The square root of 8372642 is about 2893.5517966679. The cubic root of 8372642 is about 203.0583442673.

The spelling of 8372642 in words is "eight million, three hundred seventy-two thousand, six hundred forty-two".