612630806 has 24 divisors (see below), whose sum is σ = 979899120. Its totient is φ = 286715792.

The previous prime is 612630803. The next prime is 612630827. The reversal of 612630806 is 608036216.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612630803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98600 + ... + 104628.

It is an arithmetic number, because the mean of its divisors is an integer number (40829130).

Almost surely, 2^612630806 is an apocalyptic number.

612630806 is a deficient number, since it is larger than the sum of its proper divisors (367268314).

612630806 is a wasteful number, since it uses less digits than its factorization.

612630806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148 (or 6101 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 612630806 is about 24751.3798807258. The cubic root of 612630806 is about 849.3100772989.

The spelling of 612630806 in words is "six hundred twelve million, six hundred thirty thousand, eight hundred six".