612206070 has 64 divisors (see below), whose sum is σ = 1724599296. Its totient is φ = 136149120.

The previous prime is 612206069. The next prime is 612206083. The reversal of 612206070 is 70602216.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 612206070.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31626 + ... + 47165.

It is an arithmetic number, because the mean of its divisors is an integer number (26946864).

Almost surely, 2^612206070 is an apocalyptic number.

612206070 is an abundant number, since it is smaller than the sum of its proper divisors (1112393226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612206070 is a wasteful number, since it uses less digits than its factorization.

612206070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78845.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 612206070 is about 24742.7983461855. The cubic root of 612206070 is about 849.1137567969.

Adding to 612206070 its reverse (70602216), we get a palindrome (682808286).

The spelling of 612206070 in words is "six hundred twelve million, two hundred six thousand, seventy".