612667042 has 16 divisors (see below), whose sum is σ = 1005919992. Its totient is φ = 278133120.

The previous prime is 612667039. The next prime is 612667049. The reversal of 612667042 is 240766216.

It can be written as a sum of positive squares in 4 ways, for example, as 424401201 + 188265841 = 20601^2 + 13721^2 .

It is a junction number, because it is equal to n+sod(n) for n = 612666989 and 612667007.

It is not an unprimeable number, because it can be changed into a prime (612667049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191563 + ... + 194734.

Almost surely, 2^612667042 is an apocalyptic number.

612667042 is a deficient number, since it is larger than the sum of its proper divisors (393252950).

612667042 is a wasteful number, since it uses less digits than its factorization.

612667042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386373.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 612667042 is about 24752.1118694951. Note that the first 3 decimals coincide. The cubic root of 612667042 is about 849.3268220185.

The spelling of 612667042 in words is "six hundred twelve million, six hundred sixty-seven thousand, forty-two".