72580106 has 8 divisors (see below), whose sum is σ = 115274340. Its totient is φ = 34155328.

The previous prime is 72580103. The next prime is 72580121. The reversal of 72580106 is 60108527.

It can be written as a sum of positive squares in 2 ways, for example, as 72097081 + 483025 = 8491^2 + 695^2 .

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 (72580103) 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, 1067321 + ... + 1067388.

Almost surely, 2^72580106 is an apocalyptic number.

72580106 is a deficient number, since it is larger than the sum of its proper divisors (42694234).

72580106 is a wasteful number, since it uses less digits than its factorization.

72580106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134728.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 72580106 is about 8519.3958706002. The cubic root of 72580106 is about 417.1310635109.

The spelling of 72580106 in words is "seventy-two million, five hundred eighty thousand, one hundred six".