612788230 has 16 divisors (see below), whose sum is σ = 1107315360. Its totient is φ = 244160512.

The previous prime is 612788201. The next prime is 612788233. The reversal of 612788230 is 32887216.

It is a self number, because there is not a number n which added to its sum of digits gives 612788230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612788233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116650 + ... + 121789.

It is an arithmetic number, because the mean of its divisors is an integer number (69207210).

Almost surely, 2^612788230 is an apocalyptic number.

612788230 is a deficient number, since it is larger than the sum of its proper divisors (494527130).

612788230 is a wasteful number, since it uses less digits than its factorization.

612788230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238703.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 612788230 is about 24754.5597819876. The cubic root of 612788230 is about 849.3828184114.

The spelling of 612788230 in words is "six hundred twelve million, seven hundred eighty-eight thousand, two hundred thirty".