730158961 has 24 divisors (see below), whose sum is σ = 884675904. Its totient is φ = 590237280.

The previous prime is 730158911. The next prime is 730158991. The reversal of 730158961 is 169851037.

It is not a de Polignac number, because 730158961 - 2⁷ = 730158833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730158901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 714631 + ... + 715651.

It is an arithmetic number, because the mean of its divisors is an integer number (36861496).

Almost surely, 2^730158961 is an apocalyptic number.

It is an amenable number.

730158961 is a deficient number, since it is larger than the sum of its proper divisors (154516943).

730158961 is a wasteful number, since it uses less digits than its factorization.

730158961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 730158961 is about 27021.4537173706. The cubic root of 730158961 is about 900.4766861611.

The spelling of 730158961 in words is "seven hundred thirty million, one hundred fifty-eight thousand, nine hundred sixty-one".