74502881 has 2 divisors, whose sum is σ = 74502882. Its totient is φ = 74502880.

The previous prime is 74502871. The next prime is 74502893. The reversal of 74502881 is 18820547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64320400 + 10182481 = 8020^2 + 3191^2 .

It is a cyclic number.

It is not a de Polignac number, because 74502881 - 2¹⁸ = 74240737 is a prime.

It is a super-2 number, since 2×74502881² = 11101358554600322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (74502811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37251440 + 37251441.

It is an arithmetic number, because the mean of its divisors is an integer number (37251441).

Almost surely, 2^74502881 is an apocalyptic number.

It is an amenable number.

74502881 is a deficient number, since it is larger than the sum of its proper divisors (1).

74502881 is an equidigital number, since it uses as much as digits as its factorization.

74502881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 74502881 is about 8631.5051410516. The cubic root of 74502881 is about 420.7825188545.

The spelling of 74502881 in words is "seventy-four million, five hundred two thousand, eight hundred eighty-one".