72432055 has 8 divisors (see below), whose sum is σ = 86986800. Its totient is φ = 57900096.

The previous prime is 72432043. The next prime is 72432077. The reversal of 72432055 is 55023427.

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 72432055 - 2¹³ = 72423863 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, 2331 + ... + 12259.

It is an arithmetic number, because the mean of its divisors is an integer number (10873350).

Almost surely, 2^72432055 is an apocalyptic number.

72432055 is a deficient number, since it is larger than the sum of its proper divisors (14554745).

72432055 is a wasteful number, since it uses less digits than its factorization.

72432055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393.

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

The square root of 72432055 is about 8510.7023799449. The cubic root of 72432055 is about 416.8472451059.

The spelling of 72432055 in words is "seventy-two million, four hundred thirty-two thousand, fifty-five".