731012434 has 8 divisors (see below), whose sum is σ = 1097567100. Its totient is φ = 365156736.

The previous prime is 731012423. The next prime is 731012453. The reversal of 731012434 is 434210137.

731012434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 721728225 + 9284209 = 26865^2 + 3047^2 .

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 = 731012399 and 731012408.

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, 172119 + ... + 176314.

Almost surely, 2^731012434 is an apocalyptic number.

731012434 is a deficient number, since it is larger than the sum of its proper divisors (366554666).

731012434 is a wasteful number, since it uses less digits than its factorization.

731012434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349484.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 731012434 is about 27037.2416122651. The cubic root of 731012434 is about 900.8274012481.

The spelling of 731012434 in words is "seven hundred thirty-one million, twelve thousand, four hundred thirty-four".