72570010 has 8 divisors (see below), whose sum is σ = 130626036. Its totient is φ = 29028000.

The previous prime is 72569999. The next prime is 72570011. The reversal of 72570010 is 1007527.

It can be written as a sum of positive squares in 2 ways, for example, as 70207641 + 2362369 = 8379^2 + 1537^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72570011) 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, 3628491 + ... + 3628510.

Almost surely, 2^72570010 is an apocalyptic number.

72570010 is a deficient number, since it is larger than the sum of its proper divisors (58056026).

72570010 is a wasteful number, since it uses less digits than its factorization.

72570010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7257008.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 72570010 is about 8518.8033197157. The cubic root of 72570010 is about 417.1117214315. Note that the first 3 decimals are identical.

Adding to 72570010 its reverse (1007527), we get a palindrome (73577537).

The spelling of 72570010 in words is "seventy-two million, five hundred seventy thousand, ten".