731420104 has 16 divisors (see below), whose sum is σ = 1452084300. Its totient is φ = 344197632.

The previous prime is 731420099. The next prime is 731420111. The reversal of 731420104 is 401024137.

It can be written as a sum of positive squares in 2 ways, for example, as 728892004 + 2528100 = 26998^2 + 1590^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2688909 + ... + 2689180.

Almost surely, 2^731420104 is an apocalyptic number.

It is an amenable number.

731420104 is a deficient number, since it is larger than the sum of its proper divisors (720664196).

731420104 is a wasteful number, since it uses less digits than its factorization.

731420104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378112 (or 5378108 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 731420104 is about 27044.7796071626. The cubic root of 731420104 is about 900.9948275204.

The spelling of 731420104 in words is "seven hundred thirty-one million, four hundred twenty thousand, one hundred four".