7042775 has 12 divisors (see below), whose sum is σ = 8947344. Its totient is φ = 5496000.

The previous prime is 7042769. The next prime is 7042781. The reversal of 7042775 is 5772407.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7042769) and next prime (7042781).

It is not a de Polignac number, because 7042775 - 2¹² = 7038679 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 2411 + ... + 4460.

It is an arithmetic number, because the mean of its divisors is an integer number (745612).

Almost surely, 2^7042775 is an apocalyptic number.

7042775 is a deficient number, since it is larger than the sum of its proper divisors (1904569).

7042775 is a wasteful number, since it uses less digits than its factorization.

7042775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6922 (or 6917 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 7042775 is about 2653.8227145007. The cubic root of 7042775 is about 191.6819731527.

The spelling of 7042775 in words is "seven million, forty-two thousand, seven hundred seventy-five".