612375552 has 264 divisors, whose sum is σ = 1931319936. Its totient is φ = 193425408.

The previous prime is 612375551. The next prime is 612375563. The reversal of 612375552 is 255573216.

612375552 is a `hidden beast` number, since 612 + 37 + 5 + 5 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612375551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5723083 + ... + 5723189.

Almost surely, 2^612375552 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 612375552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965659968).

612375552 is an abundant number, since it is smaller than the sum of its proper divisors (1318944384).

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

612375552 is a wasteful number, since it uses less digits than its factorization.

612375552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 135 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 612375552 is about 24746.2229845284. Note that the first 3 decimals coincide. The cubic root of 612375552 is about 849.1921052631.

The spelling of 612375552 in words is "six hundred twelve million, three hundred seventy-five thousand, five hundred fifty-two".