612742039 has 16 divisors (see below), whose sum is σ = 793838080. Its totient is φ = 459289440.

The previous prime is 612742037. The next prime is 612742043. The reversal of 612742039 is 930247216.

612742039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 612742039 - 2¹ = 612742037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 612741995 and 612742013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612742037) 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, 175467 + ... + 178924.

It is an arithmetic number, because the mean of its divisors is an integer number (49614880).

Almost surely, 2^612742039 is an apocalyptic number.

612742039 is a deficient number, since it is larger than the sum of its proper divisors (181096041).

612742039 is a wasteful number, since it uses less digits than its factorization.

612742039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354430.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 612742039 is about 24753.6267847764. The cubic root of 612742039 is about 849.3614761675.

The spelling of 612742039 in words is "six hundred twelve million, seven hundred forty-two thousand, thirty-nine".