72750760 has 16 divisors (see below), whose sum is σ = 163689300. Its totient is φ = 29100288.

The previous prime is 72750751. The next prime is 72750761. The reversal of 72750760 is 6705727.

It can be written as a sum of positive squares in 2 ways, for example, as 61873956 + 10876804 = 7866^2 + 3298^2 .

It is not an unprimeable number, because it can be changed into a prime (72750761) 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, 909345 + ... + 909424.

Almost surely, 2^72750760 is an apocalyptic number.

It is an amenable number.

72750760 is an abundant number, since it is smaller than the sum of its proper divisors (90938540).

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

72750760 is a wasteful number, since it uses less digits than its factorization.

72750760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818780 (or 1818776 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 72750760 is about 8529.4056064886. The cubic root of 72750760 is about 417.4577341367.

The spelling of 72750760 in words is "seventy-two million, seven hundred fifty thousand, seven hundred sixty".