731160634 has 4 divisors (see below), whose sum is σ = 1096740954. Its totient is φ = 365580316.

The previous prime is 731160629. The next prime is 731160653. The reversal of 731160634 is 436061137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436061137 = 101 ⋅4317437.

It can be written as a sum of positive squares in only one way, i.e., 451435009 + 279725625 = 21247^2 + 16725^2 .

It is a super-2 number, since 2×731160634² = 1069191745422563912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 731160596 and 731160605.

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 as a sum of consecutive naturals, namely, 182790157 + ... + 182790160.

Almost surely, 2^731160634 is an apocalyptic number.

731160634 is a deficient number, since it is larger than the sum of its proper divisors (365580320).

731160634 is a wasteful number, since it uses less digits than its factorization.

731160634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365580319.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 731160634 is about 27039.9821375681. The cubic root of 731160634 is about 900.8882728074. Note that the first 3 decimals are identical.

The spelling of 731160634 in words is "seven hundred thirty-one million, one hundred sixty thousand, six hundred thirty-four".