730671231 has 4 divisors (see below), whose sum is σ = 974228312. Its totient is φ = 487114152.

The previous prime is 730671223. The next prime is 730671241. The reversal of 730671231 is 132176037.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 730671231 - 2³ = 730671223 is a prime.

It is a super-2 number, since 2×730671231² = 1067760895622110722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730671241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121778536 + ... + 121778541.

It is an arithmetic number, because the mean of its divisors is an integer number (243557078).

Almost surely, 2^730671231 is an apocalyptic number.

730671231 is a deficient number, since it is larger than the sum of its proper divisors (243557081).

730671231 is a wasteful number, since it uses less digits than its factorization.

730671231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243557080.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 730671231 is about 27030.9310050542. The cubic root of 730671231 is about 900.6872244964.

The spelling of 730671231 in words is "seven hundred thirty million, six hundred seventy-one thousand, two hundred thirty-one".