72324055 has 8 divisors (see below), whose sum is σ = 87274800. Its totient is φ = 57535296.

The previous prime is 72324037. The next prime is 72324067. The reversal of 72324055 is 55042327.

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

It is a cyclic number.

It is not a de Polignac number, because 72324055 - 2¹¹ = 72322007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39510 + ... + 41299.

It is an arithmetic number, because the mean of its divisors is an integer number (10909350).

Almost surely, 2^72324055 is an apocalyptic number.

72324055 is a deficient number, since it is larger than the sum of its proper divisors (14950745).

72324055 is a wasteful number, since it uses less digits than its factorization.

72324055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80993.

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

The square root of 72324055 is about 8504.3550607909. The cubic root of 72324055 is about 416.6399616662.

The spelling of 72324055 in words is "seventy-two million, three hundred twenty-four thousand, fifty-five".