74568834 has 48 divisors (see below), whose sum is σ = 172077048. Its totient is φ = 23256576.

The previous prime is 74568833. The next prime is 74568839. The reversal of 74568834 is 43886547.

74568834 is a `hidden beast` number, since 7 + 4 + 568 + 83 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 71318025 + 3250809 = 8445^2 + 1803^2 .

It is a super-2 number, since 2×74568834² = 11121022008239112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74568834.

It is not an unprimeable number, because it can be changed into a prime (74568833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59664 + ... + 60900.

Almost surely, 2^74568834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74568834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86038524).

74568834 is an abundant number, since it is smaller than the sum of its proper divisors (97508214).

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

74568834 is a wasteful number, since it uses less digits than its factorization.

74568834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1456 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 74568834 is about 8635.3247767528. The cubic root of 74568834 is about 420.9066468707.

It can be divided in two parts, 7456 and 8834, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 74568834 in words is "seventy-four million, five hundred sixty-eight thousand, eight hundred thirty-four".