7144994 has 8 divisors (see below), whose sum is σ = 10739628. Its totient is φ = 3565120.

The previous prime is 7144979. The next prime is 7144999. The reversal of 7144994 is 4994417.

It can be written as a sum of positive squares in 2 ways, for example, as 5736025 + 1408969 = 2395^2 + 1187^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7144999) 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, 2387 + ... + 4470.

Almost surely, 2^7144994 is an apocalyptic number.

7144994 is a deficient number, since it is larger than the sum of its proper divisors (3594634).

7144994 is a wasteful number, since it uses less digits than its factorization.

7144994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380.

The product of its digits is 36288, while the sum is 38.

The square root of 7144994 is about 2673.0121585956. The cubic root of 7144994 is about 192.6048812845.

The spelling of 7144994 in words is "seven million, one hundred forty-four thousand, nine hundred ninety-four".