402572 has 12 divisors (see below), whose sum is σ = 741720. Its totient is φ = 190656.

The previous prime is 402559. The next prime is 402581. The reversal of 402572 is 275204.

402572 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is an unprimeable number.

402572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2573 + ... + 2724.

It is an arithmetic number, because the mean of its divisors is an integer number (61810).

2⁴⁰²⁵⁷² is an apocalyptic number.

It is an amenable number.

402572 is a deficient number, since it is larger than the sum of its proper divisors (339148).

402572 is a wasteful number, since it uses less digits than its factorization.

402572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320 (or 5318 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 402572 is about 634.4856184343. The cubic root of 402572 is about 73.8382148472.

Adding to 402572 its reverse (275204), we get a palindrome (677776).

The spelling of 402572 in words is "four hundred two thousand, five hundred seventy-two".