7492143 has 4 divisors (see below), whose sum is σ = 9989528. Its totient is φ = 4994760.

The previous prime is 7492127. The next prime is 7492153. The reversal of 7492143 is 3412947.

It is a happy number.

7492143 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7492143 - 2⁴ = 7492127 is a prime.

It is a super-2 number, since 2×7492143² = 112264413464898, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7492143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7492103) 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, 1248688 + ... + 1248693.

It is an arithmetic number, because the mean of its divisors is an integer number (2497382).

Almost surely, 2^7492143 is an apocalyptic number.

7492143 is a deficient number, since it is larger than the sum of its proper divisors (2497385).

7492143 is a wasteful number, since it uses less digits than its factorization.

7492143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497384.

The product of its digits is 6048, while the sum is 30.

The square root of 7492143 is about 2737.1779262591. The cubic root of 7492143 is about 195.6750045865.

The spelling of 7492143 in words is "seven million, four hundred ninety-two thousand, one hundred forty-three".