730431434 has 16 divisors (see below), whose sum is σ = 1107792288. Its totient is φ = 361179312.

The previous prime is 730431433. The next prime is 730431451. The reversal of 730431434 is 434134037.

It is a junction number, because it is equal to n+sod(n) for n = 730431397 and 730431406.

It is not an unprimeable number, because it can be changed into a prime (730431433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137129 + ... + 142355.

It is an arithmetic number, because the mean of its divisors is an integer number (69237018).

Almost surely, 2^730431434 is an apocalyptic number.

730431434 is a deficient number, since it is larger than the sum of its proper divisors (377360854).

730431434 is a wasteful number, since it uses less digits than its factorization.

730431434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5989.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 730431434 is about 27026.4950372778. The cubic root of 730431434 is about 900.5886823536.

The spelling of 730431434 in words is "seven hundred thirty million, four hundred thirty-one thousand, four hundred thirty-four".