731434630 has 8 divisors (see below), whose sum is σ = 1316582352. Its totient is φ = 292573848.

The previous prime is 731434619. The next prime is 731434631. The reversal of 731434630 is 36434137.

731434630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 731434592 and 731434601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731434631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36571722 + ... + 36571741.

It is an arithmetic number, because the mean of its divisors is an integer number (164572794).

Almost surely, 2^731434630 is an apocalyptic number.

731434630 is a deficient number, since it is larger than the sum of its proper divisors (585147722).

731434630 is a wasteful number, since it uses less digits than its factorization.

731434630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73143470.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 731434630 is about 27045.0481604304. The cubic root of 731434630 is about 901.0007920653. Note that the first 3 decimals are identical.

Adding to 731434630 its reverse (36434137), we get a palindrome (767868767).

The spelling of 731434630 in words is "seven hundred thirty-one million, four hundred thirty-four thousand, six hundred thirty".