72366923 has 8 divisors (see below), whose sum is σ = 74489280. Its totient is φ = 70274880.

The previous prime is 72366911. The next prime is 72366937. The reversal of 72366923 is 32966327.

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 72366923 - 2⁴ = 72366907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72366023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2690 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (9311160).

Almost surely, 2^72366923 is an apocalyptic number.

72366923 is a deficient number, since it is larger than the sum of its proper divisors (2122357).

72366923 is a wasteful number, since it uses less digits than its factorization.

72366923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15157.

The product of its digits is 81648, while the sum is 38.

The square root of 72366923 is about 8506.8750431636. The cubic root of 72366923 is about 416.7222625193.

The spelling of 72366923 in words is "seventy-two million, three hundred sixty-six thousand, nine hundred twenty-three".