612307452 has 48 divisors (see below), whose sum is σ = 1507721600. Its totient is φ = 192870720.

The previous prime is 612307387. The next prime is 612307459. The reversal of 612307452 is 254703216.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612307459) 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, 92799 + ... + 99177.

Almost surely, 2^612307452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612307452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753860800).

612307452 is an abundant number, since it is smaller than the sum of its proper divisors (895414148).

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

612307452 is a wasteful number, since it uses less digits than its factorization.

612307452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826 (or 6824 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 612307452 is about 24744.8469787146. The cubic root of 612307452 is about 849.1606256011.

The spelling of 612307452 in words is "six hundred twelve million, three hundred seven thousand, four hundred fifty-two".