74250479 has 2 divisors, whose sum is σ = 74250480. Its totient is φ = 74250478.

The previous prime is 74250439. The next prime is 74250503. The reversal of 74250479 is 97405247.

It is a strong prime.

It is an emirp because it is prime and its reverse (97405247) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74250479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74250409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37125239 + 37125240.

It is an arithmetic number, because the mean of its divisors is an integer number (37125240).

Almost surely, 2^74250479 is an apocalyptic number.

74250479 is a deficient number, since it is larger than the sum of its proper divisors (1).

74250479 is an equidigital number, since it uses as much as digits as its factorization.

74250479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 74250479 is about 8616.8717641613. The cubic root of 74250479 is about 420.3068034192.

The spelling of 74250479 in words is "seventy-four million, two hundred fifty thousand, four hundred seventy-nine".