72818048 has 16 divisors (see below), whose sum is σ = 145067460. Its totient is φ = 36408960.

The previous prime is 72818047. The next prime is 72818063. The reversal of 72818048 is 84081827.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×72818048² = 10604936229060608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72818041) 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, 284318 + ... + 284573.

Almost surely, 2^72818048 is an apocalyptic number.

It is an amenable number.

72818048 is a deficient number, since it is larger than the sum of its proper divisors (72249412).

72818048 is an equidigital number, since it uses as much as digits as its factorization.

72818048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568905 (or 568893 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 72818048 is about 8533.3491666520. The cubic root of 72818048 is about 417.5863982691.

The spelling of 72818048 in words is "seventy-two million, eight hundred eighteen thousand, forty-eight".