623752 has 8 divisors (see below), whose sum is σ = 1169550. Its totient is φ = 311872.

The previous prime is 623743. The next prime is 623759. The reversal of 623752 is 257326.

It can be written as a sum of positive squares in only one way, i.e., 498436 + 125316 = 706^2 + 354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (623759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38977 + ... + 38992.

2⁶²³⁷⁵² is an apocalyptic number.

It is an amenable number.

623752 is a deficient number, since it is larger than the sum of its proper divisors (545798).

623752 is a wasteful number, since it uses less digits than its factorization.

623752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77975 (or 77971 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 623752 is about 789.7797161234. The cubic root of 623752 is about 85.4418514143.

It can be divided in two parts, 62375 and 2, that multiplied together give a triangular number (124750 = T₄₉₉).

The spelling of 623752 in words is "six hundred twenty-three thousand, seven hundred fifty-two".