7862742 has 12 divisors (see below), whose sum is σ = 17035980. Its totient is φ = 2620908.

The previous prime is 7862737. The next prime is 7862797. The reversal of 7862742 is 2472687.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 7 + 8 + 6 + 2⁹ + 7⁸ + 4⁴ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 7862697 and 7862706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218392 + ... + 218427.

It is an arithmetic number, because the mean of its divisors is an integer number (1419665).

Almost surely, 2^7862742 is an apocalyptic number.

7862742 is an abundant number, since it is smaller than the sum of its proper divisors (9173238).

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

7862742 is a wasteful number, since it uses less digits than its factorization.

7862742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436827 (or 436824 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 7862742 is about 2804.0581306385. The cubic root of 7862742 is about 198.8495786751.

The spelling of 7862742 in words is "seven million, eight hundred sixty-two thousand, seven hundred forty-two".