72607143 has 16 divisors (see below), whose sum is σ = 111488256. Its totient is φ = 41171520.

The previous prime is 72607127. The next prime is 72607147. The reversal of 72607143 is 34170627.

It is not a de Polignac number, because 72607143 - 2⁴ = 72607127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72607143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72607147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10446 + ... + 15947.

It is an arithmetic number, because the mean of its divisors is an integer number (6968016).

Almost surely, 2^72607143 is an apocalyptic number.

72607143 is a deficient number, since it is larger than the sum of its proper divisors (38881113).

72607143 is a wasteful number, since it uses less digits than its factorization.

72607143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26534.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 72607143 is about 8520.9825137715. The cubic root of 72607143 is about 417.1828525987.

The spelling of 72607143 in words is "seventy-two million, six hundred seven thousand, one hundred forty-three".