72763044 has 12 divisors (see below), whose sum is σ = 169780464. Its totient is φ = 24254344.

The previous prime is 72763021. The next prime is 72763049. The reversal of 72763044 is 44036727.

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

It is a junction number, because it is equal to n+sod(n) for n = 72762996 and 72763014.

It is not an unprimeable number, because it can be changed into a prime (72763049) 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 in 3 ways as a sum of consecutive naturals, for example, 3031782 + ... + 3031805.

It is an arithmetic number, because the mean of its divisors is an integer number (14148372).

Almost surely, 2^72763044 is an apocalyptic number.

It is an amenable number.

72763044 is an abundant number, since it is smaller than the sum of its proper divisors (97017420).

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

72763044 is a wasteful number, since it uses less digits than its factorization.

72763044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063594 (or 6063592 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 72763044 is about 8530.1256731657. The cubic root of 72763044 is about 417.4812287926.

The spelling of 72763044 in words is "seventy-two million, seven hundred sixty-three thousand, forty-four".