7874999 has 4 divisors (see below), whose sum is σ = 8590920. Its totient is φ = 7159080.

The previous prime is 7874983. The next prime is 7875013. The reversal of 7874999 is 9994787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9994787 = 11 ⋅908617.

It is a cyclic number.

It is not a de Polignac number, because 7874999 - 2⁴ = 7874983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7874999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7874929) 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, 357944 + ... + 357965.

It is an arithmetic number, because the mean of its divisors is an integer number (2147730).

Almost surely, 2^7874999 is an apocalyptic number.

7874999 is a deficient number, since it is larger than the sum of its proper divisors (715921).

7874999 is a wasteful number, since it uses less digits than its factorization.

7874999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715920.

The product of its digits is 1143072, while the sum is 53.

The square root of 7874999 is about 2806.2428619063. The cubic root of 7874999 is about 198.9528519735.

The spelling of 7874999 in words is "seven million, eight hundred seventy-four thousand, nine hundred ninety-nine".