74481049 has 2 divisors, whose sum is σ = 74481050. Its totient is φ = 74481048.

The previous prime is 74480981. The next prime is 74481053. The reversal of 74481049 is 94018447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47886400 + 26594649 = 6920^2 + 5157^2 .

It is a cyclic number.

It is not a de Polignac number, because 74481049 - 2⁷ = 74480921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74480999 and 74481017.

It is not a weakly prime, because it can be changed into another prime (74481089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37240524 + 37240525.

It is an arithmetic number, because the mean of its divisors is an integer number (37240525).

Almost surely, 2^74481049 is an apocalyptic number.

It is an amenable number.

74481049 is a deficient number, since it is larger than the sum of its proper divisors (1).

74481049 is an equidigital number, since it uses as much as digits as its factorization.

74481049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 74481049 is about 8630.2403790393. The cubic root of 74481049 is about 420.7414134131.

The spelling of 74481049 in words is "seventy-four million, four hundred eighty-one thousand, forty-nine".