74382030 has 32 divisors (see below), whose sum is σ = 198352800. Its totient is φ = 19835136.

The previous prime is 74382029. The next prime is 74382037. The reversal of 74382030 is 3028347.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74381985 and 74382003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74382037) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 137475 + ... + 138014.

It is an arithmetic number, because the mean of its divisors is an integer number (6198525).

Almost surely, 2^74382030 is an apocalyptic number.

74382030 is an abundant number, since it is smaller than the sum of its proper divisors (123970770).

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

74382030 is a wasteful number, since it uses less digits than its factorization.

74382030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275505 (or 275499 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 74382030 is about 8624.5017247375. The cubic root of 74382030 is about 420.5548788494.

The spelling of 74382030 in words is "seventy-four million, three hundred eighty-two thousand, thirty".