74402849 has 2 divisors, whose sum is σ = 74402850. Its totient is φ = 74402848.

The previous prime is 74402827. The next prime is 74402873. The reversal of 74402849 is 94820447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49801249 + 24601600 = 7057^2 + 4960^2 .

It is a cyclic number.

It is not a de Polignac number, because 74402849 - 2⁸ = 74402593 is a prime.

It is not a weakly prime, because it can be changed into another prime (74402749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37201424 + 37201425.

It is an arithmetic number, because the mean of its divisors is an integer number (37201425).

Almost surely, 2^74402849 is an apocalyptic number.

It is an amenable number.

74402849 is a deficient number, since it is larger than the sum of its proper divisors (1).

74402849 is an equidigital number, since it uses as much as digits as its factorization.

74402849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 74402849 is about 8625.7086085724. The cubic root of 74402849 is about 420.5941119602.

The spelling of 74402849 in words is "seventy-four million, four hundred two thousand, eight hundred forty-nine".