73438552 has 32 divisors (see below), whose sum is σ = 150621120. Its totient is φ = 33291040.

The previous prime is 73438543. The next prime is 73438559. The reversal of 73438552 is 25583437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73438559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40203 + ... + 41989.

It is an arithmetic number, because the mean of its divisors is an integer number (4706910).

Almost surely, 2^73438552 is an apocalyptic number.

It is an amenable number.

73438552 is an abundant number, since it is smaller than the sum of its proper divisors (77182568).

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

73438552 is a wasteful number, since it uses less digits than its factorization.

73438552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2267 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 73438552 is about 8569.6296302699. The cubic root of 73438552 is about 418.7691705191.

It can be divided in two parts, 734385 and 52, that added together give a palindrome (734437).

The spelling of 73438552 in words is "seventy-three million, four hundred thirty-eight thousand, five hundred fifty-two".