407730225 has 36 divisors (see below), whose sum is σ = 784180464. Its totient is φ = 186389280.

The previous prime is 407730203. The next prime is 407730247. The reversal of 407730225 is 522037704.

It is an interprime number because it is at equal distance from previous prime (407730203) and next prime (407730247).

It is not a de Polignac number, because 407730225 - 2⁷ = 407730097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 407730192 and 407730201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51799 + ... + 59148.

Almost surely, 2^407730225 is an apocalyptic number.

It is an amenable number.

407730225 is a deficient number, since it is larger than the sum of its proper divisors (376450239).

407730225 is a wasteful number, since it uses less digits than its factorization.

407730225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110974 (or 110962 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 407730225 is about 20192.3308461406. The cubic root of 407730225 is about 741.5224469539.

Adding to 407730225 its reverse (522037704), we get a palindrome (929767929).

The spelling of 407730225 in words is "four hundred seven million, seven hundred thirty thousand, two hundred twenty-five".