74067534 has 40 divisors (see below), whose sum is σ = 166747680. Its totient is φ = 24573024.

The previous prime is 74067527. The next prime is 74067563. The reversal of 74067534 is 43576047.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 37762 + ... + 39674.

It is an arithmetic number, because the mean of its divisors is an integer number (4168692).

Almost surely, 2^74067534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74067534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83373840).

74067534 is an abundant number, since it is smaller than the sum of its proper divisors (92680146).

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

74067534 is a wasteful number, since it uses less digits than its factorization.

74067534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 74067534 is about 8606.2497058823. The cubic root of 74067534 is about 419.9613229690.

The spelling of 74067534 in words is "seventy-four million, sixty-seven thousand, five hundred thirty-four".