7389742 has 8 divisors (see below), whose sum is σ = 11115000. Its totient is φ = 3684744.

The previous prime is 7389721. The next prime is 7389757. The reversal of 7389742 is 2479837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7389695 and 7389704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4117 + ... + 5632.

It is an arithmetic number, because the mean of its divisors is an integer number (1389375).

Almost surely, 2^7389742 is an apocalyptic number.

7389742 is a deficient number, since it is larger than the sum of its proper divisors (3725258).

7389742 is a wasteful number, since it uses less digits than its factorization.

7389742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10130.

The product of its digits is 84672, while the sum is 40.

The square root of 7389742 is about 2718.4079899824. The cubic root of 7389742 is about 194.7794306376.

The spelling of 7389742 in words is "seven million, three hundred eighty-nine thousand, seven hundred forty-two".