407220272 has 10 divisors (see below), whose sum is σ = 788989308. Its totient is φ = 203610128.

The previous prime is 407220271. The next prime is 407220283. The reversal of 407220272 is 272022704.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (407220271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12725618 + ... + 12725649.

Almost surely, 2^407220272 is an apocalyptic number.

It is an amenable number.

407220272 is a deficient number, since it is larger than the sum of its proper divisors (381769036).

407220272 is a wasteful number, since it uses less digits than its factorization.

407220272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25451275 (or 25451269 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 407220272 is about 20179.6995022225. The cubic root of 407220272 is about 741.2131743585.

Adding to 407220272 its reverse (272022704), we get a palindrome (679242976).

The spelling of 407220272 in words is "four hundred seven million, two hundred twenty thousand, two hundred seventy-two".