74473801 has 2 divisors, whose sum is σ = 74473802. Its totient is φ = 74473800.

The previous prime is 74473799. The next prime is 74473813. The reversal of 74473801 is 10837447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42889401 + 31584400 = 6549^2 + 5620^2 .

It is a cyclic number.

It is not a de Polignac number, because 74473801 - 2¹ = 74473799 is a prime.

Together with 74473799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74471801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37236900 + 37236901.

It is an arithmetic number, because the mean of its divisors is an integer number (37236901).

Almost surely, 2^74473801 is an apocalyptic number.

It is an amenable number.

74473801 is a deficient number, since it is larger than the sum of its proper divisors (1).

74473801 is an equidigital number, since it uses as much as digits as its factorization.

74473801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 74473801 is about 8629.8204500441. The cubic root of 74473801 is about 420.7277650523.

The spelling of 74473801 in words is "seventy-four million, four hundred seventy-three thousand, eight hundred one".