7481923 has 4 divisors (see below), whose sum is σ = 7807248. Its totient is φ = 7156600.

The previous prime is 7481917. The next prime is 7481927. The reversal of 7481923 is 3291847.

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 7481923 - 2¹³ = 7473731 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7481927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162628 + ... + 162673.

It is an arithmetic number, because the mean of its divisors is an integer number (1951812).

Almost surely, 2^7481923 is an apocalyptic number.

7481923 is a deficient number, since it is larger than the sum of its proper divisors (325325).

7481923 is a wasteful number, since it uses less digits than its factorization.

7481923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325324.

The product of its digits is 12096, while the sum is 34.

The square root of 7481923 is about 2735.3104028611. The cubic root of 7481923 is about 195.5859909561.

The spelling of 7481923 in words is "seven million, four hundred eighty-one thousand, nine hundred twenty-three".