74543064 has 16 divisors (see below), whose sum is σ = 186357720. Its totient is φ = 24847680.

The previous prime is 74543041. The next prime is 74543071. The reversal of 74543064 is 46034547.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552957 + ... + 1553004.

Almost surely, 2^74543064 is an apocalyptic number.

It is an amenable number.

74543064 is an abundant number, since it is smaller than the sum of its proper divisors (111814656).

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

74543064 is a wasteful number, since it uses less digits than its factorization.

74543064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105970 (or 3105966 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 74543064 is about 8633.8325209608. The cubic root of 74543064 is about 420.8581546993.

The spelling of 74543064 in words is "seventy-four million, five hundred forty-three thousand, sixty-four".