72662423 has 8 divisors (see below), whose sum is σ = 74457792. Its totient is φ = 70877536.

The previous prime is 72662411. The next prime is 72662431. The reversal of 72662423 is 32426627.

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 72662423 - 2¹⁴ = 72646039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72662423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72662123) 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, 12461 + ... + 17337.

It is an arithmetic number, because the mean of its divisors is an integer number (9307224).

Almost surely, 2^72662423 is an apocalyptic number.

72662423 is a deficient number, since it is larger than the sum of its proper divisors (1795369).

72662423 is a wasteful number, since it uses less digits than its factorization.

72662423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241.

The product of its digits is 24192, while the sum is 32.

The square root of 72662423 is about 8524.2256539817. The cubic root of 72662423 is about 417.2887008520.

The spelling of 72662423 in words is "seventy-two million, six hundred sixty-two thousand, four hundred twenty-three".