7142090 has 16 divisors (see below), whose sum is σ = 13271040. Its totient is φ = 2764560.

The previous prime is 7142053. The next prime is 7142111. The reversal of 7142090 is 902417.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11210 + ... + 11829.

It is an arithmetic number, because the mean of its divisors is an integer number (829440).

Almost surely, 2^7142090 is an apocalyptic number.

7142090 is a deficient number, since it is larger than the sum of its proper divisors (6128950).

7142090 is a wasteful number, since it uses less digits than its factorization.

7142090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23077.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 7142090 is about 2672.4688959836. The cubic root of 7142090 is about 192.5787837413.

The spelling of 7142090 in words is "seven million, one hundred forty-two thousand, ninety".