612750512 has 80 divisors (see below), whose sum is σ = 1347770880. Its totient is φ = 267321600.

The previous prime is 612750511. The next prime is 612750517. The reversal of 612750512 is 215057216.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (612750511) 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, 1382963 + ... + 1383405.

It is an arithmetic number, because the mean of its divisors is an integer number (16847136).

Almost surely, 2^612750512 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 612750512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673885440).

612750512 is an abundant number, since it is smaller than the sum of its proper divisors (735020368).

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

612750512 is a wasteful number, since it uses less digits than its factorization.

612750512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 612750512 is about 24753.7979308227. The cubic root of 612750512 is about 849.3653911410.

The spelling of 612750512 in words is "six hundred twelve million, seven hundred fifty thousand, five hundred twelve".