72338554 has 8 divisors (see below), whose sum is σ = 109114560. Its totient is φ = 35967036.

The previous prime is 72338551. The next prime is 72338569. The reversal of 72338554 is 45583327.

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

It is not an unprimeable number, because it can be changed into a prime (72338551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100674 + ... + 101389.

It is an arithmetic number, because the mean of its divisors is an integer number (13639320).

Almost surely, 2^72338554 is an apocalyptic number.

72338554 is a deficient number, since it is larger than the sum of its proper divisors (36776006).

72338554 is a wasteful number, since it uses less digits than its factorization.

72338554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202244.

The product of its digits is 100800, while the sum is 37.

The square root of 72338554 is about 8505.2074636660. The cubic root of 72338554 is about 416.6678014547.

The spelling of 72338554 in words is "seventy-two million, three hundred thirty-eight thousand, five hundred fifty-four".