7042990 has 8 divisors (see below), whose sum is σ = 12677400. Its totient is φ = 2817192.

The previous prime is 7042961. The next prime is 7042993. The reversal of 7042990 is 992407.

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 (7042993) 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, 352140 + ... + 352159.

It is an arithmetic number, because the mean of its divisors is an integer number (1584675).

Almost surely, 2^7042990 is an apocalyptic number.

7042990 is a deficient number, since it is larger than the sum of its proper divisors (5634410).

7042990 is a wasteful number, since it uses less digits than its factorization.

7042990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704306.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 7042990 is about 2653.8632217957. The cubic root of 7042990 is about 191.6839236720.

The spelling of 7042990 in words is "seven million, forty-two thousand, nine hundred ninety".