7499983 has 4 divisors (see below), whose sum is σ = 7509160. Its totient is φ = 7490808.

The previous prime is 7499981. The next prime is 7500013. The reversal of 7499983 is 3899947.

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

It is a cyclic number.

It is not a de Polignac number, because 7499983 - 2¹ = 7499981 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7499981) 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, 3228 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (1877290).

Almost surely, 2^7499983 is an apocalyptic number.

7499983 is a deficient number, since it is larger than the sum of its proper divisors (9177).

7499983 is an equidigital number, since it uses as much as digits as its factorization.

7499983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9176.

The product of its digits is 489888, while the sum is 49.

The square root of 7499983 is about 2738.6096837629. The cubic root of 7499983 is about 195.7432341633.

The spelling of 7499983 in words is "seven million, four hundred ninety-nine thousand, nine hundred eighty-three".