7842734 has 4 divisors (see below), whose sum is σ = 11764104. Its totient is φ = 3921366.

The previous prime is 7842733. The next prime is 7842761. The reversal of 7842734 is 4372487.

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

It is a junction number, because it is equal to n+sod(n) for n = 7842694 and 7842703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7842733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960682 + ... + 1960685.

It is an arithmetic number, because the mean of its divisors is an integer number (2941026).

Almost surely, 2^7842734 is an apocalyptic number.

7842734 is a deficient number, since it is larger than the sum of its proper divisors (3921370).

7842734 is a wasteful number, since it uses less digits than its factorization.

7842734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921369.

The product of its digits is 37632, while the sum is 35.

The square root of 7842734 is about 2800.4881717301. The cubic root of 7842734 is about 198.6807672579.

The spelling of 7842734 in words is "seven million, eight hundred forty-two thousand, seven hundred thirty-four".