74030432 has 48 divisors (see below), whose sum is σ = 167650560. Its totient is φ = 31521408.

The previous prime is 74030423. The next prime is 74030483. The reversal of 74030432 is 23403047.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74030398 and 74030407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36419 + ... + 38397.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 2^74030432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74030432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83825280).

74030432 is an abundant number, since it is smaller than the sum of its proper divisors (93620128).

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

74030432 is a wasteful number, since it uses less digits than its factorization.

74030432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 74030432 is about 8604.0939092969. The cubic root of 74030432 is about 419.8911887434.

Adding to 74030432 its reverse (23403047), we get a palindrome (97433479).

The spelling of 74030432 in words is "seventy-four million, thirty thousand, four hundred thirty-two".