730427838 has 32 divisors (see below), whose sum is σ = 1690690560. Its totient is φ = 206051040.

The previous prime is 730427837. The next prime is 730427839. The reversal of 730427838 is 838724037.

It is an interprime number because it is at equal distance from previous prime (730427837) and next prime (730427839).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 730427838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730427837) 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 15 ways as a sum of consecutive naturals, for example, 106753 + ... + 113388.

It is an arithmetic number, because the mean of its divisors is an integer number (52834080).

Almost surely, 2^730427838 is an apocalyptic number.

730427838 is an abundant number, since it is smaller than the sum of its proper divisors (960262722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730427838 is a wasteful number, since it uses less digits than its factorization.

730427838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220232.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 730427838 is about 27026.4285098864. The cubic root of 730427838 is about 900.5872044498.

The spelling of 730427838 in words is "seven hundred thirty million, four hundred twenty-seven thousand, eight hundred thirty-eight".