74946479 has 2 divisors, whose sum is σ = 74946480. Its totient is φ = 74946478.

The previous prime is 74946457. The next prime is 74946533. The reversal of 74946479 is 97464947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74946479 - 2¹⁶ = 74880943 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74946409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37473239 + 37473240.

It is an arithmetic number, because the mean of its divisors is an integer number (37473240).

Almost surely, 2^74946479 is an apocalyptic number.

74946479 is a deficient number, since it is larger than the sum of its proper divisors (1).

74946479 is an equidigital number, since it uses as much as digits as its factorization.

74946479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 74946479 is about 8657.1634499991. The cubic root of 74946479 is about 421.6159946470.

The spelling of 74946479 in words is "seventy-four million, nine hundred forty-six thousand, four hundred seventy-nine".