612343730 has 32 divisors (see below), whose sum is σ = 1132717824. Its totient is φ = 238225536.

The previous prime is 612343717. The next prime is 612343801. The reversal of 612343730 is 37343216.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 612343693 and 612343702.

It is an unprimeable number.

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, 72614 + ... + 80606.

It is an arithmetic number, because the mean of its divisors is an integer number (35397432).

Almost surely, 2^612343730 is an apocalyptic number.

612343730 is a deficient number, since it is larger than the sum of its proper divisors (520374094).

612343730 is a wasteful number, since it uses less digits than its factorization.

612343730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 612343730 is about 24745.5800093673. The cubic root of 612343730 is about 849.1773956299.

Adding to 612343730 its reverse (37343216), we get a palindrome (649686946).

The spelling of 612343730 in words is "six hundred twelve million, three hundred forty-three thousand, seven hundred thirty".