7639434 has 48 divisors (see below), whose sum is σ = 18738720. Its totient is φ = 2313360.

The previous prime is 7639433. The next prime is 7639439. The reversal of 7639434 is 4349367.

It is not an unprimeable number, because it can be changed into a prime (7639433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4632 + ... + 6060.

It is an arithmetic number, because the mean of its divisors is an integer number (390390).

Almost surely, 2^7639434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7639434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9369360).

7639434 is an abundant number, since it is smaller than the sum of its proper divisors (11099286).

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

7639434 is a wasteful number, since it uses less digits than its factorization.

7639434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1445 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 7639434 is about 2763.9526045140. The cubic root of 7639434 is about 196.9489762814.

The spelling of 7639434 in words is "seven million, six hundred thirty-nine thousand, four hundred thirty-four".