730512238 has 16 divisors (see below), whose sum is σ = 1136996784. Its totient is φ = 351717120.

The previous prime is 730512221. The next prime is 730512257. The reversal of 730512238 is 832215037.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43708 + ... + 58063.

It is an arithmetic number, because the mean of its divisors is an integer number (71062299).

Almost surely, 2^730512238 is an apocalyptic number.

730512238 is a deficient number, since it is larger than the sum of its proper divisors (406484546).

730512238 is a wasteful number, since it uses less digits than its factorization.

730512238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101907.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 730512238 is about 27027.9898993617. The cubic root of 730512238 is about 900.6218903461.

The spelling of 730512238 in words is "seven hundred thirty million, five hundred twelve thousand, two hundred thirty-eight".