612343270 has 32 divisors (see below), whose sum is σ = 1374195456. Its totient is φ = 190860000.

The previous prime is 612343243. The next prime is 612343273. The reversal of 612343270 is 72343216.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612343273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396856 + ... + 398395.

It is an arithmetic number, because the mean of its divisors is an integer number (42943608).

Almost surely, 2^612343270 is an apocalyptic number.

612343270 is an abundant number, since it is smaller than the sum of its proper divisors (761852186).

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

612343270 is a wasteful number, since it uses less digits than its factorization.

612343270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795276.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 612343270 is about 24745.5707147764. The cubic root of 612343270 is about 849.1771829924.

Adding to 612343270 its reverse (72343216), we get a palindrome (684686486).

The spelling of 612343270 in words is "six hundred twelve million, three hundred forty-three thousand, two hundred seventy".