612670633 has 4 divisors (see below), whose sum is σ = 648710100. Its totient is φ = 576631168.

The previous prime is 612670621. The next prime is 612670687. The reversal of 612670633 is 336076216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176570944 + 436099689 = 13288^2 + 20883^2 .

It is a cyclic number.

It is not a de Polignac number, because 612670633 - 2⁵ = 612670601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612670613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18019708 + ... + 18019741.

It is an arithmetic number, because the mean of its divisors is an integer number (162177525).

Almost surely, 2^612670633 is an apocalyptic number.

It is an amenable number.

612670633 is a deficient number, since it is larger than the sum of its proper divisors (36039467).

612670633 is a wasteful number, since it uses less digits than its factorization.

612670633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36039466.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 612670633 is about 24752.1844086537. The cubic root of 612670633 is about 849.3284813900.

The spelling of 612670633 in words is "six hundred twelve million, six hundred seventy thousand, six hundred thirty-three".