7275742 has 8 divisors (see below), whose sum is σ = 11052000. Its totient is φ = 3591744.

The previous prime is 7275739. The next prime is 7275743. The reversal of 7275742 is 2475727.

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 = 7275698 and 7275707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22867 + ... + 23182.

It is an arithmetic number, because the mean of its divisors is an integer number (1381500).

Almost surely, 2^7275742 is an apocalyptic number.

7275742 is a deficient number, since it is larger than the sum of its proper divisors (3776258).

7275742 is a wasteful number, since it uses less digits than its factorization.

7275742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46130.

The product of its digits is 27440, while the sum is 34.

The square root of 7275742 is about 2697.3583373367. The cubic root of 7275742 is about 193.7726283665.

The spelling of 7275742 in words is "seven million, two hundred seventy-five thousand, seven hundred forty-two".