72651350 has 48 divisors (see below), whose sum is σ = 140200848. Its totient is φ = 27987840.

The previous prime is 72651349. The next prime is 72651373. The reversal of 72651350 is 5315627.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 319937 + ... + 320163.

It is an arithmetic number, because the mean of its divisors is an integer number (2920851).

Almost surely, 2^72651350 is an apocalyptic number.

72651350 is a deficient number, since it is larger than the sum of its proper divisors (67549498).

72651350 is a wasteful number, since it uses less digits than its factorization.

72651350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 72651350 is about 8523.5761274245. The cubic root of 72651350 is about 417.2675029511.

Adding to 72651350 its reverse (5315627), we get a palindrome (77966977).

The spelling of 72651350 in words is "seventy-two million, six hundred fifty-one thousand, three hundred fifty".