7870142 has 16 divisors (see below), whose sum is σ = 14202240. Its totient is φ = 3195288.

The previous prime is 7870141. The next prime is 7870147. The reversal of 7870142 is 2410787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7870141) 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 7 ways as a sum of consecutive naturals, for example, 14528 + ... + 15059.

It is an arithmetic number, because the mean of its divisors is an integer number (887640).

Almost surely, 2^7870142 is an apocalyptic number.

7870142 is a deficient number, since it is larger than the sum of its proper divisors (6332098).

7870142 is a wasteful number, since it uses less digits than its factorization.

7870142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29615.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 7870142 is about 2805.3773364737. The cubic root of 7870142 is about 198.9119413765.

The spelling of 7870142 in words is "seven million, eight hundred seventy thousand, one hundred forty-two".