7648742 has 16 divisors (see below), whose sum is σ = 12677472. Its totient is φ = 3442560.

The previous prime is 7648727. The next prime is 7648747. The reversal of 7648742 is 2478467.

It is a junction number, because it is equal to n+sod(n) for n = 7648696 and 7648705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7648747) 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, 4109 + ... + 5672.

It is an arithmetic number, because the mean of its divisors is an integer number (792342).

Almost surely, 2^7648742 is an apocalyptic number.

7648742 is a deficient number, since it is larger than the sum of its proper divisors (5028730).

7648742 is a wasteful number, since it uses less digits than its factorization.

7648742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9823.

The product of its digits is 75264, while the sum is 38.

The square root of 7648742 is about 2765.6359124078. The cubic root of 7648742 is about 197.0289323375.

The spelling of 7648742 in words is "seven million, six hundred forty-eight thousand, seven hundred forty-two".