612377316 has 72 divisors (see below), whose sum is σ = 1578376800. Its totient is φ = 200154240.

The previous prime is 612377309. The next prime is 612377321. The reversal of 612377316 is 613773216.

612377316 is a `hidden beast` number, since 612 + 3 + 7 + 7 + 31 + 6 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 418995 + ... + 420453.

It is an arithmetic number, because the mean of its divisors is an integer number (21921900).

Almost surely, 2^612377316 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 612377316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789188400).

612377316 is an abundant number, since it is smaller than the sum of its proper divisors (965999484).

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

612377316 is a wasteful number, since it uses less digits than its factorization.

612377316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1684 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 612377316 is about 24746.2586263055. The cubic root of 612377316 is about 849.1929206524.

The spelling of 612377316 in words is "six hundred twelve million, three hundred seventy-seven thousand, three hundred sixteen".