612780300 has 324 divisors, whose sum is σ = 2242153368. Its totient is φ = 139392000.

The previous prime is 612780299. The next prime is 612780307. The reversal of 612780300 is 3087216.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (612780307) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1851135 + ... + 1851465.

Almost surely, 2^612780300 is an apocalyptic number.

612780300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612780300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121076684).

612780300 is an abundant number, since it is smaller than the sum of its proper divisors (1629373068).

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

612780300 is a wasteful number, since it uses less digits than its factorization.

612780300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 612780300 is about 24754.3996089584. The cubic root of 612780300 is about 849.3791544839.

The spelling of 612780300 in words is "six hundred twelve million, seven hundred eighty thousand, three hundred".