74481039 has 10 divisors (see below), whose sum is σ = 111261920. Its totient is φ = 49653972.

The previous prime is 74480981. The next prime is 74481049. The reversal of 74481039 is 93018447.

It is a happy number.

It is not a de Polignac number, because 74481039 - 2⁷ = 74480911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74480994 and 74481012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74481049) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 459679 + ... + 459840.

It is an arithmetic number, because the mean of its divisors is an integer number (11126192).

Almost surely, 2^74481039 is an apocalyptic number.

74481039 is a deficient number, since it is larger than the sum of its proper divisors (36780881).

74481039 is an equidigital number, since it uses as much as digits as its factorization.

74481039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919531 (or 919522 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 74481039 is about 8630.2397996811. The cubic root of 74481039 is about 420.7413945832.

The spelling of 74481039 in words is "seventy-four million, four hundred eighty-one thousand, thirty-nine".