72312835 has 8 divisors (see below), whose sum is σ = 99171936. Its totient is φ = 49585920.

The previous prime is 72312833. The next prime is 72312871. The reversal of 72312835 is 53821327.

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

It is not a de Polignac number, because 72312835 - 2¹ = 72312833 is a prime.

It is a super-2 number, since 2×72312835² = 10458292211474450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72312797 and 72312806.

It is not an unprimeable number, because it can be changed into a prime (72312833) 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 7 ways as a sum of consecutive naturals, for example, 1033006 + ... + 1033075.

It is an arithmetic number, because the mean of its divisors is an integer number (12396492).

Almost surely, 2^72312835 is an apocalyptic number.

72312835 is a deficient number, since it is larger than the sum of its proper divisors (26859101).

72312835 is a wasteful number, since it uses less digits than its factorization.

72312835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066093.

The product of its digits is 10080, while the sum is 31.

The square root of 72312835 is about 8503.6953731892. The cubic root of 72312835 is about 416.6184153903.

The spelling of 72312835 in words is "seventy-two million, three hundred twelve thousand, eight hundred thirty-five".