730238810 has 32 divisors (see below), whose sum is σ = 1505164032. Its totient is φ = 249874560.

The previous prime is 730238809. The next prime is 730238819. The reversal of 730238810 is 18832037.

It is a super-2 number, since 2×730238810² = 1066497439260432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (730238819) 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, 26459 + ... + 46481.

It is an arithmetic number, because the mean of its divisors is an integer number (47036376).

Almost surely, 2^730238810 is an apocalyptic number.

730238810 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

730238810 is an abundant number, since it is smaller than the sum of its proper divisors (774925222).

730238810 is a wasteful number, since it uses less digits than its factorization.

730238810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20558.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 730238810 is about 27022.9311881594. The cubic root of 730238810 is about 900.5095098547.

The spelling of 730238810 in words is "seven hundred thirty million, two hundred thirty-eight thousand, eight hundred ten".