74584072 has 8 divisors (see below), whose sum is σ = 139845150. Its totient is φ = 37292032.

The previous prime is 74584061. The next prime is 74584079. The reversal of 74584072 is 27048547.

It can be written as a sum of positive squares in only one way, i.e., 72352036 + 2232036 = 8506^2 + 1494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×74584072² = 11125567592202368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74584079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4661497 + ... + 4661512.

Almost surely, 2^74584072 is an apocalyptic number.

It is an amenable number.

74584072 is a deficient number, since it is larger than the sum of its proper divisors (65261078).

74584072 is a wasteful number, since it uses less digits than its factorization.

74584072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323015 (or 9323011 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 74584072 is about 8636.2070378147. The cubic root of 74584072 is about 420.9353154100.

The spelling of 74584072 in words is "seventy-four million, five hundred eighty-four thousand, seventy-two".