74333430 has 32 divisors (see below), whose sum is σ = 198223200. Its totient is φ = 19822176.

The previous prime is 74333417. The next prime is 74333437. The reversal of 74333430 is 3433347.

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

It is a junction number, because it is equal to n+sod(n) for n = 74333394 and 74333403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74333437) 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, 137385 + ... + 137924.

It is an arithmetic number, because the mean of its divisors is an integer number (6194475).

Almost surely, 2^74333430 is an apocalyptic number.

74333430 is an abundant number, since it is smaller than the sum of its proper divisors (123889770).

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

74333430 is a wasteful number, since it uses less digits than its factorization.

74333430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275325 (or 275319 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 27.

The square root of 74333430 is about 8621.6837102738. The cubic root of 74333430 is about 420.4632643370.

Adding to 74333430 its reverse (3433347), we get a palindrome (77766777).

The spelling of 74333430 in words is "seventy-four million, three hundred thirty-three thousand, four hundred thirty".