72626 has 4 divisors (see below), whose sum is σ = 108942. Its totient is φ = 36312.

The previous prime is 72623. The next prime is 72643. The reversal of 72626 is 62627.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70225 + 2401 = 265^2 + 49^2 .

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (72623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18155 + ... + 18158.

2⁷²⁶²⁶ is an apocalyptic number.

72626 is a deficient number, since it is larger than the sum of its proper divisors (36316).

72626 is a wasteful number, since it uses less digits than its factorization.

72626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36315.

The product of its digits is 1008, while the sum is 23.

The square root of 72626 is about 269.4921149125. The cubic root of 72626 is about 41.7218965373.

Subtracting from 72626 its reverse (62627), we obtain a palindrome (9999).

The spelling of 72626 in words is "seventy-two thousand, six hundred twenty-six".