72963829 has 4 divisors (see below), whose sum is σ = 73235340. Its totient is φ = 72692320.

The previous prime is 72963809. The next prime is 72963833. The reversal of 72963829 is 92836927.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41860900 + 31102929 = 6470^2 + 5577^2 .

It is a cyclic number.

It is not a de Polignac number, because 72963829 - 2⁷ = 72963701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72963809) 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, 135352 + ... + 135889.

It is an arithmetic number, because the mean of its divisors is an integer number (18308835).

Almost surely, 2^72963829 is an apocalyptic number.

It is an amenable number.

72963829 is a deficient number, since it is larger than the sum of its proper divisors (271511).

72963829 is a wasteful number, since it uses less digits than its factorization.

72963829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271510.

The product of its digits is 326592, while the sum is 46.

The square root of 72963829 is about 8541.8867353764. The cubic root of 72963829 is about 417.8648804358.

The spelling of 72963829 in words is "seventy-two million, nine hundred sixty-three thousand, eight hundred twenty-nine".