612066432 has 128 divisors (see below), whose sum is σ = 1743269760. Its totient is φ = 189775872.

The previous prime is 612066407. The next prime is 612066443. The reversal of 612066432 is 234660216.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 612066432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325848 + ... + 327720.

It is an arithmetic number, because the mean of its divisors is an integer number (13619295).

Almost surely, 2^612066432 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 612066432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871634880).

612066432 is an abundant number, since it is smaller than the sum of its proper divisors (1131203328).

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

612066432 is a wasteful number, since it uses less digits than its factorization.

612066432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 612066432 is about 24739.9763944916. The cubic root of 612066432 is about 849.0491938071.

The spelling of 612066432 in words is "six hundred twelve million, sixty-six thousand, four hundred thirty-two".