72867106 has 8 divisors (see below), whose sum is σ = 117708444. Its totient is φ = 33630960.

The previous prime is 72867089. The next prime is 72867131. The reversal of 72867106 is 60176827.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70644025 + 2223081 = 8405^2 + 1491^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401265 + ... + 1401316.

Almost surely, 2^72867106 is an apocalyptic number.

72867106 is a deficient number, since it is larger than the sum of its proper divisors (44841338).

72867106 is a wasteful number, since it uses less digits than its factorization.

72867106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802596.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 72867106 is about 8536.2231695288. The cubic root of 72867106 is about 417.6801541227.

The spelling of 72867106 in words is "seventy-two million, eight hundred sixty-seven thousand, one hundred six".