612774396 has 270 divisors, whose sum is σ = 1889772192. Its totient is φ = 172860480.

The previous prime is 612774361. The next prime is 612774419. The reversal of 612774396 is 693477216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 19766901 + ... + 19766931.

Almost surely, 2^612774396 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 612774396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944886096).

612774396 is an abundant number, since it is smaller than the sum of its proper divisors (1276997796).

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

612774396 is a wasteful number, since it uses less digits than its factorization.

612774396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 68 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 612774396 is about 24754.2803571423. The cubic root of 612774396 is about 849.3764266163.

The spelling of 612774396 in words is "six hundred twelve million, seven hundred seventy-four thousand, three hundred ninety-six".