730038447 has 32 divisors (see below), whose sum is σ = 1113984000. Its totient is φ = 472305600.

The previous prime is 730038443. The next prime is 730038467. The reversal of 730038447 is 744830037.

It is not a de Polignac number, because 730038447 - 2² = 730038443 is a prime.

It is a super-2 number, since 2×730038447² = 1065912268196343618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730038443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122947 + ... + 128747.

It is an arithmetic number, because the mean of its divisors is an integer number (34812000).

Almost surely, 2^730038447 is an apocalyptic number.

730038447 is a deficient number, since it is larger than the sum of its proper divisors (383945553).

730038447 is a wasteful number, since it uses less digits than its factorization.

730038447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948 (or 5942 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 730038447 is about 27019.2236565006. The cubic root of 730038447 is about 900.4271416901.

The spelling of 730038447 in words is "seven hundred thirty million, thirty-eight thousand, four hundred forty-seven".