72450622 has 8 divisors (see below), whose sum is σ = 108756576. Its totient is φ = 36198432.

The previous prime is 72450607. The next prime is 72450683. The reversal of 72450622 is 22605427.

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

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 3 ways as a sum of consecutive naturals, for example, 9883 + ... + 15574.

It is an arithmetic number, because the mean of its divisors is an integer number (13594572).

Almost surely, 2^72450622 is an apocalyptic number.

72450622 is a deficient number, since it is larger than the sum of its proper divisors (36305954).

72450622 is a wasteful number, since it uses less digits than its factorization.

72450622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26882.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 72450622 is about 8511.7931130873. The cubic root of 72450622 is about 416.8828598236.

The spelling of 72450622 in words is "seventy-two million, four hundred fifty thousand, six hundred twenty-two".