7342728 has 16 divisors (see below), whose sum is σ = 18356880. Its totient is φ = 2447568.

The previous prime is 7342703. The next prime is 7342729. The reversal of 7342728 is 8272437.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7342729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152950 + ... + 152997.

It is an arithmetic number, because the mean of its divisors is an integer number (1147305).

Almost surely, 2^7342728 is an apocalyptic number.

It is an amenable number.

7342728 is an abundant number, since it is smaller than the sum of its proper divisors (11014152).

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

7342728 is a wasteful number, since it uses less digits than its factorization.

7342728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305956 (or 305952 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 7342728 is about 2709.7468516450. The cubic root of 7342728 is about 194.3654852440.

The spelling of 7342728 in words is "seven million, three hundred forty-two thousand, seven hundred twenty-eight".