72855010 has 8 divisors (see below), whose sum is σ = 131139036. Its totient is φ = 29142000.

The previous prime is 72854963. The next prime is 72855011. The reversal of 72855010 is 1055827.

It can be written as a sum of positive squares in 2 ways, for example, as 66048129 + 6806881 = 8127^2 + 2609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72855010.

It is not an unprimeable number, because it can be changed into a prime (72855011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3642741 + ... + 3642760.

Almost surely, 2^72855010 is an apocalyptic number.

72855010 is a deficient number, since it is larger than the sum of its proper divisors (58284026).

72855010 is a wasteful number, since it uses less digits than its factorization.

72855010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285508.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 72855010 is about 8535.5146300619. The cubic root of 72855010 is about 417.6570410931.

The spelling of 72855010 in words is "seventy-two million, eight hundred fifty-five thousand, ten".