73609768 has 8 divisors (see below), whose sum is σ = 138018330. Its totient is φ = 36804880.

The previous prime is 73609763. The next prime is 73609787. The reversal of 73609768 is 86790637.

It can be written as a sum of positive squares in only one way, i.e., 49028004 + 24581764 = 7002^2 + 4958^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (73609763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4600603 + ... + 4600618.

Almost surely, 2^73609768 is an apocalyptic number.

It is an amenable number.

73609768 is a deficient number, since it is larger than the sum of its proper divisors (64408562).

73609768 is a wasteful number, since it uses less digits than its factorization.

73609768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9201227 (or 9201223 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 73609768 is about 8579.6135111088. The cubic root of 73609768 is about 419.0943599985.

The spelling of 73609768 in words is "seventy-three million, six hundred nine thousand, seven hundred sixty-eight".