7642047 has 32 divisors (see below), whose sum is σ = 12441600. Its totient is φ = 4075488.

The previous prime is 7642043. The next prime is 7642069. The reversal of 7642047 is 7402467.

7642047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7642047 - 2² = 7642043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42604 + ... + 42782.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 2^7642047 is an apocalyptic number.

7642047 is a deficient number, since it is larger than the sum of its proper divisors (4799553).

7642047 is a wasteful number, since it uses less digits than its factorization.

7642047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 7642047 is about 2764.4252567215. The cubic root of 7642047 is about 196.9714285997.

It can be divided in two parts, 76420 and 47, that added together give a palindrome (76467).

The spelling of 7642047 in words is "seven million, six hundred forty-two thousand, forty-seven".