7156342 has 8 divisors (see below), whose sum is σ = 10746432. Its totient is φ = 3574200.

The previous prime is 7156339. The next prime is 7156349. The reversal of 7156342 is 2436517.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7156342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7156349) 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, 1467 + ... + 4057.

It is an arithmetic number, because the mean of its divisors is an integer number (1343304).

Almost surely, 2^7156342 is an apocalyptic number.

7156342 is a deficient number, since it is larger than the sum of its proper divisors (3590090).

7156342 is a wasteful number, since it uses less digits than its factorization.

7156342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974.

The product of its digits is 5040, while the sum is 28.

The square root of 7156342 is about 2675.1340153346. The cubic root of 7156342 is about 192.7067952530.

The spelling of 7156342 in words is "seven million, one hundred fifty-six thousand, three hundred forty-two".