74635230 has 64 divisors (see below), whose sum is σ = 196784640. Its totient is φ = 18032256.

The previous prime is 74635199. The next prime is 74635237. The reversal of 74635230 is 3253647.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74635237) 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 31 ways as a sum of consecutive naturals, for example, 10264 + ... + 15956.

It is an arithmetic number, because the mean of its divisors is an integer number (3074760).

Almost surely, 2^74635230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74635230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98392320).

74635230 is an abundant number, since it is smaller than the sum of its proper divisors (122149410).

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

74635230 is a wasteful number, since it uses less digits than its factorization.

74635230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 74635230 is about 8639.1683627534. The cubic root of 74635230 is about 421.0315347352.

Adding to 74635230 its reverse (3253647), we get a palindrome (77888877).

The spelling of 74635230 in words is "seventy-four million, six hundred thirty-five thousand, two hundred thirty".