623772 has 18 divisors (see below), whose sum is σ = 1576848. Its totient is φ = 207912.

The previous prime is 623771. The next prime is 623803. The reversal of 623772 is 277326.

623772 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (18).

623772 is an undulating number in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8628 + ... + 8699.

2⁶²³⁷⁷² is an apocalyptic number.

It is an amenable number.

623772 is an abundant number, since it is smaller than the sum of its proper divisors (953076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623772 is a wasteful number, since it uses less digits than its factorization.

623772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17337 (or 17332 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 623772 is about 789.7923777804. The cubic root of 623772 is about 85.4427646078.

The spelling of 623772 in words is "six hundred twenty-three thousand, seven hundred seventy-two".