7874479 has 2 divisors, whose sum is σ = 7874480. Its totient is φ = 7874478.

The previous prime is 7874467. The next prime is 7874497. The reversal of 7874479 is 9744787.

Together with next prime (7874497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7874479 - 2⁷ = 7874351 is a prime.

7874479 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7854479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937239 + 3937240.

It is an arithmetic number, because the mean of its divisors is an integer number (3937240).

Almost surely, 2^7874479 is an apocalyptic number.

7874479 is a deficient number, since it is larger than the sum of its proper divisors (1).

7874479 is an equidigital number, since it uses as much as digits as its factorization.

7874479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 46.

The square root of 7874479 is about 2806.1502098070. The cubic root of 7874479 is about 198.9484728085.

The spelling of 7874479 in words is "seven million, eight hundred seventy-four thousand, four hundred seventy-nine".