7964742 has 16 divisors (see below), whose sum is σ = 16318512. Its totient is φ = 2590080.

The previous prime is 7964741. The next prime is 7964753. The reversal of 7964742 is 2474697.

It is a self number, because there is not a number n which added to its sum of digits gives 7964742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7964741) 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, 15943 + ... + 16434.

It is an arithmetic number, because the mean of its divisors is an integer number (1019907).

Almost surely, 2^7964742 is an apocalyptic number.

7964742 is an abundant number, since it is smaller than the sum of its proper divisors (8353770).

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

7964742 is a wasteful number, since it uses less digits than its factorization.

7964742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32423.

The product of its digits is 84672, while the sum is 39.

The square root of 7964742 is about 2822.1874494796. The cubic root of 7964742 is about 199.7057506322.

The spelling of 7964742 in words is "seven million, nine hundred sixty-four thousand, seven hundred forty-two".