73427748 has 12 divisors (see below), whose sum is σ = 171331440. Its totient is φ = 24475912.

The previous prime is 73427719. The next prime is 73427749. The reversal of 73427748 is 84772437.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (73427749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3059478 + ... + 3059501.

It is an arithmetic number, because the mean of its divisors is an integer number (14277620).

Almost surely, 2^73427748 is an apocalyptic number.

It is an amenable number.

73427748 is an abundant number, since it is smaller than the sum of its proper divisors (97903692).

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

73427748 is a wasteful number, since it uses less digits than its factorization.

73427748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118986 (or 6118984 counting only the distinct ones).

The product of its digits is 263424, while the sum is 42.

The square root of 73427748 is about 8568.9992414517. Note that the first 3 decimals coincide. The cubic root of 73427748 is about 418.7486336036.

It can be divided in two parts, 734 and 27748, that added together give a palindrome (28482).

The spelling of 73427748 in words is "seventy-three million, four hundred twenty-seven thousand, seven hundred forty-eight".