74505330 has 24 divisors (see below), whose sum is σ = 193714092. Its totient is φ = 19868064.

The previous prime is 74505329. The next prime is 74505397. The reversal of 74505330 is 3350547.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70006689 + 4498641 = 8367^2 + 2121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74505294 and 74505303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413829 + ... + 414008.

Almost surely, 2^74505330 is an apocalyptic number.

74505330 is an abundant number, since it is smaller than the sum of its proper divisors (119208762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74505330 is a wasteful number, since it uses less digits than its factorization.

74505330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827850 (or 827847 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 74505330 is about 8631.6470039037. The cubic root of 74505330 is about 420.7871293477.

Adding to 74505330 its reverse (3350547), we get a palindrome (77855877).

The spelling of 74505330 in words is "seventy-four million, five hundred five thousand, three hundred thirty".