72333077 has 4 divisors (see below), whose sum is σ = 72812256. Its totient is φ = 71853900.

The previous prime is 72333073. The next prime is 72333097. The reversal of 72333077 is 77033327.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72333077 - 2² = 72333073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72333071) 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, 239363 + ... + 239664.

It is an arithmetic number, because the mean of its divisors is an integer number (18203064).

Almost surely, 2^72333077 is an apocalyptic number.

It is an amenable number.

72333077 is a deficient number, since it is larger than the sum of its proper divisors (479179).

72333077 is a wasteful number, since it uses less digits than its factorization.

72333077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479178.

The product of its (nonzero) digits is 18522, while the sum is 32.

The square root of 72333077 is about 8504.8854783589. The cubic root of 72333077 is about 416.6572854066.

The spelling of 72333077 in words is "seventy-two million, three hundred thirty-three thousand, seventy-seven".