372506 has 4 divisors (see below), whose sum is σ = 558762. Its totient is φ = 186252.

The previous prime is 372497. The next prime is 372511. The reversal of 372506 is 605273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605273 = 577 ⋅1049.

It can be written as a sum of positive squares in only one way, i.e., 312481 + 60025 = 559^2 + 245^2 .

It is a super-3 number, since 3×372506³ = 155067602333190648, which contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93125 + ... + 93128.

2³⁷²⁵⁰⁶ is an apocalyptic number.

372506 is a deficient number, since it is larger than the sum of its proper divisors (186256).

372506 is a wasteful number, since it uses less digits than its factorization.

372506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186255.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 372506 is about 610.3326961584. The cubic root of 372506 is about 71.9522574440.

Adding to 372506 its reverse (605273), we get a palindrome (977779).

It can be divided in two parts, 372 and 506, that added together give a palindrome (878).

The spelling of 372506 in words is "three hundred seventy-two thousand, five hundred six".