7646742 has 12 divisors (see below), whose sum is σ = 16567980. Its totient is φ = 2548908.

The previous prime is 7646731. The next prime is 7646747. The reversal of 7646742 is 2476467.

7646742 is a `hidden beast` number, since 7 + 646 + 7 + 4 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 7646697 and 7646706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7646747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212392 + ... + 212427.

It is an arithmetic number, because the mean of its divisors is an integer number (1380665).

Almost surely, 2^7646742 is an apocalyptic number.

7646742 is an abundant number, since it is smaller than the sum of its proper divisors (8921238).

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

7646742 is a wasteful number, since it uses less digits than its factorization.

7646742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424827 (or 424824 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 7646742 is about 2765.2743082740. The cubic root of 7646742 is about 197.0117577391.

The spelling of 7646742 in words is "seven million, six hundred forty-six thousand, seven hundred forty-two".