730262891 has 16 divisors (see below), whose sum is σ = 797280000. Its totient is φ = 666229536.

The previous prime is 730262879. The next prime is 730262921. The reversal of 730262891 is 198262037.

It is a cyclic number.

It is not a de Polignac number, because 730262891 - 2¹⁰ = 730261867 is a prime.

It is a super-3 number, since 3×730262891³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730262861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240380 + ... + 243398.

It is an arithmetic number, because the mean of its divisors is an integer number (49830000).

Almost surely, 2^730262891 is an apocalyptic number.

730262891 is a deficient number, since it is larger than the sum of its proper divisors (67017109).

730262891 is a wasteful number, since it uses less digits than its factorization.

730262891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 730262891 is about 27023.3767505099. The cubic root of 730262891 is about 900.5194084116.

The spelling of 730262891 in words is "seven hundred thirty million, two hundred sixty-two thousand, eight hundred ninety-one".