72851735 has 8 divisors (see below), whose sum is σ = 95369616. Its totient is φ = 52983040.

The previous prime is 72851717. The next prime is 72851743. The reversal of 72851735 is 53715827.

It is a happy number.

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

It is not a de Polignac number, because 72851735 - 2⁸ = 72851479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662234 + ... + 662343.

It is an arithmetic number, because the mean of its divisors is an integer number (11921202).

Almost surely, 2^72851735 is an apocalyptic number.

72851735 is a deficient number, since it is larger than the sum of its proper divisors (22517881).

72851735 is a wasteful number, since it uses less digits than its factorization.

72851735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324593.

The product of its digits is 58800, while the sum is 38.

The square root of 72851735 is about 8535.3227824143. The cubic root of 72851735 is about 417.6507827849.

The spelling of 72851735 in words is "seventy-two million, eight hundred fifty-one thousand, seven hundred thirty-five".