74452401 has 12 divisors (see below), whose sum is σ = 113868612. Its totient is φ = 46715136.

The previous prime is 74452387. The next prime is 74452451. The reversal of 74452401 is 10425447.

It can be written as a sum of positive squares in 2 ways, for example, as 38452401 + 36000000 = 6201^2 + 6000^2 .

It is not a de Polignac number, because 74452401 - 2¹¹ = 74450353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74452451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243156 + ... + 243461.

It is an arithmetic number, because the mean of its divisors is an integer number (9489051).

Almost surely, 2^74452401 is an apocalyptic number.

It is an amenable number.

74452401 is a deficient number, since it is larger than the sum of its proper divisors (39416211).

74452401 is a wasteful number, since it uses less digits than its factorization.

74452401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486640 (or 486637 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 74452401 is about 8628.5804742147. The cubic root of 74452401 is about 420.6874625719.

Adding to 74452401 its reverse (10425447), we get a palindrome (84877848).

The spelling of 74452401 in words is "seventy-four million, four hundred fifty-two thousand, four hundred one".