612742441 has 16 divisors (see below), whose sum is σ = 656208000. Its totient is φ = 570140928.

The previous prime is 612742439. The next prime is 612742453. The reversal of 612742441 is 144247216.

It is a cyclic number.

It is not a de Polignac number, because 612742441 - 2¹ = 612742439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612742841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824316 + ... + 825058.

It is an arithmetic number, because the mean of its divisors is an integer number (41013000).

Almost surely, 2^612742441 is an apocalyptic number.

It is an amenable number.

612742441 is a deficient number, since it is larger than the sum of its proper divisors (43465559).

612742441 is a wasteful number, since it uses less digits than its factorization.

612742441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its digits is 10752, while the sum is 31.

The square root of 612742441 is about 24753.6349047973. The cubic root of 612742441 is about 849.3616619135.

Adding to 612742441 its reverse (144247216), we get a palindrome (756989657).

The spelling of 612742441 in words is "six hundred twelve million, seven hundred forty-two thousand, four hundred forty-one".