730440051 has 32 divisors (see below), whose sum is σ = 1117863936. Its totient is φ = 420192000.

The previous prime is 730440043. The next prime is 730440059. The reversal of 730440051 is 150044037.

730440051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (730440043) and next prime (730440059).

It is not a de Polignac number, because 730440051 - 2³ = 730440043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730440059) 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, 42766 + ... + 57356.

It is an arithmetic number, because the mean of its divisors is an integer number (34933248).

Almost surely, 2^730440051 is an apocalyptic number.

730440051 is a deficient number, since it is larger than the sum of its proper divisors (387423885).

730440051 is a wasteful number, since it uses less digits than its factorization.

730440051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14683.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 730440051 is about 27026.6544544455. The cubic root of 730440051 is about 900.5922237959.

Adding to 730440051 its reverse (150044037), we get a palindrome (880484088).

The spelling of 730440051 in words is "seven hundred thirty million, four hundred forty thousand, fifty-one".