74680032 has 96 divisors (see below), whose sum is σ = 235872000. Its totient is φ = 20210688.

The previous prime is 74680007. The next prime is 74680037. The reversal of 74680032 is 23008647.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74680037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9844 + ... + 15692.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 2^74680032 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 74680032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117936000).

74680032 is an abundant number, since it is smaller than the sum of its proper divisors (161191968).

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

74680032 is a wasteful number, since it uses less digits than its factorization.

74680032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888 (or 5880 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 74680032 is about 8641.7609316620. The cubic root of 74680032 is about 421.1157634196.

Adding to 74680032 its reverse (23008647), we get a palindrome (97688679).

The spelling of 74680032 in words is "seventy-four million, six hundred eighty thousand, thirty-two".