7482731 has 4 divisors (see below), whose sum is σ = 7656792. Its totient is φ = 7308672.

The previous prime is 7482701. The next prime is 7482733. The reversal of 7482731 is 1372847.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7482731 is a prime.

It is a super-2 number, since 2×7482731² = 111982526436722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7482733) 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, 86966 + ... + 87051.

It is an arithmetic number, because the mean of its divisors is an integer number (1914198).

Almost surely, 2^7482731 is an apocalyptic number.

7482731 is a deficient number, since it is larger than the sum of its proper divisors (174061).

7482731 is a wasteful number, since it uses less digits than its factorization.

7482731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174060.

The product of its digits is 9408, while the sum is 32.

The square root of 7482731 is about 2735.4580969191. The cubic root of 7482731 is about 195.5930313829.

The spelling of 7482731 in words is "seven million, four hundred eighty-two thousand, seven hundred thirty-one".