74833830 has 96 divisors (see below), whose sum is σ = 209757600. Its totient is φ = 18441216.

The previous prime is 74833807. The next prime is 74833831. The reversal of 74833830 is 3833847.

It is a super-2 number, since 2×74833830² = 11200204224937800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74833831) 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 47 ways as a sum of consecutive naturals, for example, 89856 + ... + 90684.

It is an arithmetic number, because the mean of its divisors is an integer number (2184975).

Almost surely, 2^74833830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74833830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104878800).

74833830 is an abundant number, since it is smaller than the sum of its proper divisors (134923770).

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

74833830 is a wasteful number, since it uses less digits than its factorization.

74833830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 74833830 is about 8650.6548885041. The cubic root of 74833830 is about 421.4046507811.

The spelling of 74833830 in words is "seventy-four million, eight hundred thirty-three thousand, eight hundred thirty".