72434263 has 16 divisors (see below), whose sum is σ = 83941920. Its totient is φ = 61772800.

The previous prime is 72434239. The next prime is 72434279. The reversal of 72434263 is 36243427.

It is a cyclic number.

It is not a de Polignac number, because 72434263 - 2¹³ = 72426071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72434233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94803 + ... + 95563.

It is an arithmetic number, because the mean of its divisors is an integer number (5246370).

Almost surely, 2^72434263 is an apocalyptic number.

72434263 is a deficient number, since it is larger than the sum of its proper divisors (11507657).

72434263 is a wasteful number, since it uses less digits than its factorization.

72434263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298.

The product of its digits is 24192, while the sum is 31.

The square root of 72434263 is about 8510.8320979796. The cubic root of 72434263 is about 416.8514807507.

The spelling of 72434263 in words is "seventy-two million, four hundred thirty-four thousand, two hundred sixty-three".