75867479 has 2 divisors, whose sum is σ = 75867480. Its totient is φ = 75867478.

The previous prime is 75867457. The next prime is 75867487. The reversal of 75867479 is 97476857.

It is a strong prime.

It is an emirp because it is prime and its reverse (97476857) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75867479 - 2⁸ = 75867223 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75867479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75867439) 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 as a sum of consecutive naturals, namely, 37933739 + 37933740.

It is an arithmetic number, because the mean of its divisors is an integer number (37933740).

Almost surely, 2^75867479 is an apocalyptic number.

75867479 is a deficient number, since it is larger than the sum of its proper divisors (1).

75867479 is an equidigital number, since it uses as much as digits as its factorization.

75867479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 53.

The square root of 75867479 is about 8710.1939702856. The cubic root of 75867479 is about 423.3360153728.

The spelling of 75867479 in words is "seventy-five million, eight hundred sixty-seven thousand, four hundred seventy-nine".