612281796 has 48 divisors (see below), whose sum is σ = 1648940160. Its totient is φ = 173203200.

The previous prime is 612281779. The next prime is 612281833. The reversal of 612281796 is 697182216.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27601 + ... + 44568.

It is an arithmetic number, because the mean of its divisors is an integer number (34352920).

Almost surely, 2^612281796 is an apocalyptic number.

It is an amenable number.

612281796 is an abundant number, since it is smaller than the sum of its proper divisors (1036658364).

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

612281796 is a wasteful number, since it uses less digits than its factorization.

612281796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72284 (or 72282 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 612281796 is about 24744.3285623191. The cubic root of 612281796 is about 849.1487653452.

The spelling of 612281796 in words is "six hundred twelve million, two hundred eighty-one thousand, seven hundred ninety-six".