72352450 has 24 divisors (see below), whose sum is σ = 138919680. Its totient is φ = 28006800.

The previous prime is 72352447. The next prime is 72352499. The reversal of 72352450 is 5425327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21790 + ... + 24889.

It is an arithmetic number, because the mean of its divisors is an integer number (5788320).

Almost surely, 2^72352450 is an apocalyptic number.

72352450 is a deficient number, since it is larger than the sum of its proper divisors (66567230).

72352450 is a wasteful number, since it uses less digits than its factorization.

72352450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46722 (or 46717 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 72352450 is about 8506.0243357282. The cubic root of 72352450 is about 416.6944799212.

Adding to 72352450 its reverse (5425327), we get a palindrome (77777777).

The spelling of 72352450 in words is "seventy-two million, three hundred fifty-two thousand, four hundred fifty".