612927072 has 72 divisors (see below), whose sum is σ = 1747811520. Its totient is φ = 203746560.

The previous prime is 612927043. The next prime is 612927079. The reversal of 612927072 is 270729216.

It is a tau number, because it is divible by the number of its divisors (72).

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

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 (612927079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109297 + ... + 114767.

It is an arithmetic number, because the mean of its divisors is an integer number (24275160).

Almost surely, 2^612927072 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 612927072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873905760).

612927072 is an abundant number, since it is smaller than the sum of its proper divisors (1134884448).

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

612927072 is a wasteful number, since it uses less digits than its factorization.

612927072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876 (or 5865 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 612927072 is about 24757.3639953853. The cubic root of 612927072 is about 849.4469629766.

The spelling of 612927072 in words is "six hundred twelve million, nine hundred twenty-seven thousand, seventy-two".