213632372 has 48 divisors (see below), whose sum is σ = 400159872. Its totient is φ = 99580800.

The previous prime is 213632369. The next prime is 213632389. The reversal of 213632372 is 273236312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771098 + ... + 771374.

It is an arithmetic number, because the mean of its divisors is an integer number (8336664).

Almost surely, 2^213632372 is an apocalyptic number.

It is an amenable number.

213632372 is a deficient number, since it is larger than the sum of its proper divisors (186527500).

213632372 is a wasteful number, since it uses less digits than its factorization.

213632372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 486 counting only the distinct ones).

The product of its digits is 9072, while the sum is 29.

The square root of 213632372 is about 14616.1681708990. The cubic root of 213632372 is about 597.7996927956.

Adding to 213632372 its reverse (273236312), we get a palindrome (486868684).

The spelling of 213632372 in words is "two hundred thirteen million, six hundred thirty-two thousand, three hundred seventy-two".