74528479 has 2 divisors, whose sum is σ = 74528480. Its totient is φ = 74528478.

The previous prime is 74528477. The next prime is 74528513. The reversal of 74528479 is 97482547.

It is a weak prime.

It is an emirp because it is prime and its reverse (97482547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74528479 - 2¹ = 74528477 is a prime.

It is a super-3 number, since 3×74528479³ (a number of 25 digits) contains 333 as substring.

Together with 74528477, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74528477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37264239 + 37264240.

It is an arithmetic number, because the mean of its divisors is an integer number (37264240).

Almost surely, 2^74528479 is an apocalyptic number.

74528479 is a deficient number, since it is larger than the sum of its proper divisors (1).

74528479 is an equidigital number, since it uses as much as digits as its factorization.

74528479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 74528479 is about 8632.9878373597. The cubic root of 74528479 is about 420.8307047206.

It can be divided in two parts, 7452 and 8479, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 74528479 in words is "seventy-four million, five hundred twenty-eight thousand, four hundred seventy-nine".