612630722 has 16 divisors (see below), whose sum is σ = 1008093600. Its totient is φ = 276911040.

The previous prime is 612630721. The next prime is 612630749. The reversal of 612630722 is 227036216.

It is not an unprimeable number, because it can be changed into a prime (612630721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73847 + ... + 81722.

It is an arithmetic number, because the mean of its divisors is an integer number (63005850).

Almost surely, 2^612630722 is an apocalyptic number.

612630722 is a deficient number, since it is larger than the sum of its proper divisors (395462878).

612630722 is a wasteful number, since it uses less digits than its factorization.

612630722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155761.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 612630722 is about 24751.3781838507. The cubic root of 612630722 is about 849.3100384816.

Adding to 612630722 its reverse (227036216), we get a palindrome (839666938).

The spelling of 612630722 in words is "six hundred twelve million, six hundred thirty thousand, seven hundred twenty-two".