74403730 has 32 divisors (see below), whose sum is σ = 142242480. Its totient is φ = 27924480.

The previous prime is 74403709. The next prime is 74403737. The reversal of 74403730 is 3730447.

It can be written as a sum of positive squares in 8 ways, for example, as 54449641 + 19954089 = 7379^2 + 4467^2 .

It is not an unprimeable number, because it can be changed into a prime (74403737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91566 + ... + 92374.

Almost surely, 2^74403730 is an apocalyptic number.

74403730 is a deficient number, since it is larger than the sum of its proper divisors (67838750).

74403730 is a wasteful number, since it uses less digits than its factorization.

74403730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 74403730 is about 8625.7596766894. The cubic root of 74403730 is about 420.5957720308.

The spelling of 74403730 in words is "seventy-four million, four hundred three thousand, seven hundred thirty".