72867107 has 4 divisors (see below), whose sum is σ = 73548216. Its totient is φ = 72186000.

The previous prime is 72867089. The next prime is 72867131. The reversal of 72867107 is 70176827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72867107 - 2⁸ = 72866851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72867187) 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, 340394 + ... + 340607.

It is an arithmetic number, because the mean of its divisors is an integer number (18387054).

Almost surely, 2^72867107 is an apocalyptic number.

72867107 is a deficient number, since it is larger than the sum of its proper divisors (681109).

72867107 is a wasteful number, since it uses less digits than its factorization.

72867107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681108.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 72867107 is about 8536.2232281027. The cubic root of 72867107 is about 417.6801560334.

The spelling of 72867107 in words is "seventy-two million, eight hundred sixty-seven thousand, one hundred seven".