74023830 has 48 divisors (see below), whose sum is σ = 193212864. Its totient is φ = 19662720.

The previous prime is 74023801. The next prime is 74023837. The reversal of 74023830 is 3832047.

It is a junction number, because it is equal to n+sod(n) for n = 74023794 and 74023803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74023837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23827 + ... + 26753.

It is an arithmetic number, because the mean of its divisors is an integer number (4025268).

Almost surely, 2^74023830 is an apocalyptic number.

74023830 is an abundant number, since it is smaller than the sum of its proper divisors (119189034).

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

74023830 is a wasteful number, since it uses less digits than its factorization.

74023830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221 (or 3218 counting only the distinct ones).

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

The square root of 74023830 is about 8603.7102461671. The cubic root of 74023830 is about 419.8787064711.

Adding to 74023830 its reverse (3832047), we get a palindrome (77855877).

The spelling of 74023830 in words is "seventy-four million, twenty-three thousand, eight hundred thirty".