74736479 has 2 divisors, whose sum is σ = 74736480. Its totient is φ = 74736478.

The previous prime is 74736469. The next prime is 74736521. The reversal of 74736479 is 97463747.

It is a weak prime.

It is an emirp because it is prime and its reverse (97463747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74736479 - 2¹⁶ = 74670943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74736419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37368239 + 37368240.

It is an arithmetic number, because the mean of its divisors is an integer number (37368240).

Almost surely, 2^74736479 is an apocalyptic number.

74736479 is a deficient number, since it is larger than the sum of its proper divisors (1).

74736479 is an equidigital number, since it uses as much as digits as its factorization.

74736479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 47.

The square root of 74736479 is about 8645.0262579127. The cubic root of 74736479 is about 421.2218369993.

The spelling of 74736479 in words is "seventy-four million, seven hundred thirty-six thousand, four hundred seventy-nine".