612980736 has 192 divisors, whose sum is σ = 1769040000. Its totient is φ = 188153856.

The previous prime is 612980729. The next prime is 612980737. The reversal of 612980736 is 637089216.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612980737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6887380 + ... + 6887468.

It is an arithmetic number, because the mean of its divisors is an integer number (9213750).

Almost surely, 2^612980736 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 612980736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884520000).

612980736 is an abundant number, since it is smaller than the sum of its proper divisors (1156059264).

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

612980736 is a wasteful number, since it uses less digits than its factorization.

612980736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 612980736 is about 24758.4477704076. The cubic root of 612980736 is about 849.4717529794.

The spelling of 612980736 in words is "six hundred twelve million, nine hundred eighty thousand, seven hundred thirty-six".