73939748 has 6 divisors (see below), whose sum is σ = 129394566. Its totient is φ = 36969872.

The previous prime is 73939741. The next prime is 73939753. The reversal of 73939748 is 84793937.

It can be written as a sum of positive squares in only one way, i.e., 63648484 + 10291264 = 7978^2 + 3208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73939696 and 73939705.

It is not an unprimeable number, because it can be changed into a prime (73939741) 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 as a sum of consecutive naturals, namely, 9242465 + ... + 9242472.

It is an arithmetic number, because the mean of its divisors is an integer number (21565761).

Almost surely, 2^73939748 is an apocalyptic number.

It is an amenable number.

73939748 is a deficient number, since it is larger than the sum of its proper divisors (55454818).

73939748 is a wasteful number, since it uses less digits than its factorization.

73939748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18484941 (or 18484939 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The square root of 73939748 is about 8598.8224775256. The cubic root of 73939748 is about 419.7196693208.

The spelling of 73939748 in words is "seventy-three million, nine hundred thirty-nine thousand, seven hundred forty-eight".