7142004 has 36 divisors (see below), whose sum is σ = 18678660. Its totient is φ = 2298240.

The previous prime is 7141991. The next prime is 7142011. The reversal of 7142004 is 4002417.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4613904 + 2528100 = 2148^2 + 1590^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×7142004² = 102016442272032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2377 + ... + 4464.

Almost surely, 2^7142004 is an apocalyptic number.

It is an amenable number.

7142004 is an abundant number, since it is smaller than the sum of its proper divisors (11536656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7142004 is a wasteful number, since it uses less digits than its factorization.

7142004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880 (or 6875 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 7142004 is about 2672.4528059444. The cubic root of 7142004 is about 192.5780107723.

The spelling of 7142004 in words is "seven million, one hundred forty-two thousand, four".