7042782 has 16 divisors (see below), whose sum is σ = 14231952. Its totient is φ = 2323200.

The previous prime is 7042781. The next prime is 7042801. The reversal of 7042782 is 2872407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5469 + ... + 6632.

It is an arithmetic number, because the mean of its divisors is an integer number (889497).

Almost surely, 2^7042782 is an apocalyptic number.

7042782 is an abundant number, since it is smaller than the sum of its proper divisors (7189170).

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

7042782 is a wasteful number, since it uses less digits than its factorization.

7042782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 7042782 is about 2653.8240333526. The cubic root of 7042782 is about 191.6820366586.

It can be divided in two parts, 704 and 2782, that added together give a triangular number (3486 = T₈₃).

The spelling of 7042782 in words is "seven million, forty-two thousand, seven hundred eighty-two".