7142794 has 4 divisors (see below), whose sum is σ = 10714194. Its totient is φ = 3571396.

The previous prime is 7142791. The next prime is 7142809. The reversal of 7142794 is 4972417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4566769 + 2576025 = 2137^2 + 1605^2 .

It is a super-2 number, since 2×7142794² = 102039012252872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7142791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785697 + ... + 1785700.

Almost surely, 2^7142794 is an apocalyptic number.

7142794 is a deficient number, since it is larger than the sum of its proper divisors (3571400).

7142794 is a wasteful number, since it uses less digits than its factorization.

7142794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571399.

The product of its digits is 14112, while the sum is 34.

The square root of 7142794 is about 2672.6006061512. The cubic root of 7142794 is about 192.5851110679.

The spelling of 7142794 in words is "seven million, one hundred forty-two thousand, seven hundred ninety-four".