7389642 has 32 divisors (see below), whose sum is σ = 16027200. Its totient is φ = 2257920.

The previous prime is 7389637. The next prime is 7389649. The reversal of 7389642 is 2469837.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 7389642.

It is not an unprimeable number, because it can be changed into a prime (7389649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16234 + ... + 16682.

It is an arithmetic number, because the mean of its divisors is an integer number (500850).

Almost surely, 2^7389642 is an apocalyptic number.

7389642 is an abundant number, since it is smaller than the sum of its proper divisors (8637558).

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

7389642 is a wasteful number, since it uses less digits than its factorization.

7389642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its digits is 72576, while the sum is 39.

The square root of 7389642 is about 2718.3895968018. The cubic root of 7389642 is about 194.7785520309.

The spelling of 7389642 in words is "seven million, three hundred eighty-nine thousand, six hundred forty-two".