74354830 has 32 divisors (see below), whose sum is σ = 149960160. Its totient is φ = 26305920.

The previous prime is 74354801. The next prime is 74354831. The reversal of 74354830 is 3845347.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74354831) 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, 5065 + ... + 13204.

It is an arithmetic number, because the mean of its divisors is an integer number (4686255).

Almost surely, 2^74354830 is an apocalyptic number.

74354830 is an abundant number, since it is smaller than the sum of its proper divisors (75605330).

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

74354830 is a wasteful number, since it uses less digits than its factorization.

74354830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18324.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 74354830 is about 8622.9246778573. The cubic root of 74354830 is about 420.5036098025.

The spelling of 74354830 in words is "seventy-four million, three hundred fifty-four thousand, eight hundred thirty".