74517472 has 48 divisors (see below), whose sum is σ = 154450800. Its totient is φ = 35338240.

The previous prime is 74517439. The next prime is 74517479. The reversal of 74517472 is 27471547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74517479) 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 7 ways as a sum of consecutive naturals, for example, 54072 + ... + 55432.

It is an arithmetic number, because the mean of its divisors is an integer number (3217725).

Almost surely, 2^74517472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74517472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77225400).

74517472 is an abundant number, since it is smaller than the sum of its proper divisors (79933328).

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

74517472 is a wasteful number, since it uses less digits than its factorization.

74517472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1451 counting only the distinct ones).

The product of its digits is 54880, while the sum is 37.

The square root of 74517472 is about 8632.3503172659. The cubic root of 74517472 is about 420.8099864141.

The spelling of 74517472 in words is "seventy-four million, five hundred seventeen thousand, four hundred seventy-two".