74382650 has 24 divisors (see below), whose sum is σ = 146491740. Its totient is φ = 28002560.

The previous prime is 74382611. The next prime is 74382661. The reversal of 74382650 is 5628347.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 59644729 + 14737921 = 7723^2 + 3839^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74382650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42905 + ... + 44604.

Almost surely, 2^74382650 is an apocalyptic number.

74382650 is a deficient number, since it is larger than the sum of its proper divisors (72109090).

74382650 is a wasteful number, since it uses less digits than its factorization.

74382650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87538 (or 87533 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 74382650 is about 8624.5376687681. The cubic root of 74382650 is about 420.5560473363.

The spelling of 74382650 in words is "seventy-four million, three hundred eighty-two thousand, six hundred fifty".