74535534 has 24 divisors (see below), whose sum is σ = 164143512. Its totient is φ = 24437520.

The previous prime is 74535533. The next prime is 74535547. The reversal of 74535534 is 43553547.

74535534 is a `hidden beast` number, since 74 + 53 + 5 + 534 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74535533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32844 + ... + 35039.

It is an arithmetic number, because the mean of its divisors is an integer number (6839313).

Almost surely, 2^74535534 is an apocalyptic number.

74535534 is an abundant number, since it is smaller than the sum of its proper divisors (89607978).

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

74535534 is a wasteful number, since it uses less digits than its factorization.

74535534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67952 (or 67949 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 74535534 is about 8633.3964347758. The cubic root of 74535534 is about 420.8439831657.

The spelling of 74535534 in words is "seventy-four million, five hundred thirty-five thousand, five hundred thirty-four".