612966634 has 16 divisors (see below), whose sum is σ = 1075238208. Its totient is φ = 256590432.

The previous prime is 612966631. The next prime is 612966661. The reversal of 612966634 is 436669216.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (612966631) 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, 508507 + ... + 509710.

It is an arithmetic number, because the mean of its divisors is an integer number (67202388).

Almost surely, 2^612966634 is an apocalyptic number.

612966634 is a deficient number, since it is larger than the sum of its proper divisors (462271574).

612966634 is a wasteful number, since it uses less digits than its factorization.

612966634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018269.

The product of its digits is 279936, while the sum is 43.

The square root of 612966634 is about 24758.1629770870. The cubic root of 612966634 is about 849.4652387222.

The spelling of 612966634 in words is "six hundred twelve million, nine hundred sixty-six thousand, six hundred thirty-four".