8142790 has 8 divisors (see below), whose sum is σ = 14657040. Its totient is φ = 3257112.

The previous prime is 8142787. The next prime is 8142791. The reversal of 8142790 is 972418.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407130 + ... + 407149.

It is an arithmetic number, because the mean of its divisors is an integer number (1832130).

Almost surely, 2^8142790 is an apocalyptic number.

8142790 is a deficient number, since it is larger than the sum of its proper divisors (6514250).

8142790 is a wasteful number, since it uses less digits than its factorization.

8142790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814286.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 8142790 is about 2853.5574288947. The cubic root of 8142790 is about 201.1829065340.

The spelling of 8142790 in words is "eight million, one hundred forty-two thousand, seven hundred ninety".