612748326 has 8 divisors (see below), whose sum is σ = 1225496664. Its totient is φ = 204249440.

The previous prime is 612748307. The next prime is 612748327. The reversal of 612748326 is 623847216.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

612748326 is an admirable number.

It is a super-2 number, since 2×612748326² = 750921022031604552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612748327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51062355 + ... + 51062366.

It is an arithmetic number, because the mean of its divisors is an integer number (153187083).

Almost surely, 2^612748326 is an apocalyptic number.

612748326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

612748326 is a wasteful number, since it uses less digits than its factorization.

612748326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102124726.

The product of its digits is 96768, while the sum is 39.

The square root of 612748326 is about 24753.7537759428. The cubic root of 612748326 is about 849.3643810970.

The spelling of 612748326 in words is "six hundred twelve million, seven hundred forty-eight thousand, three hundred twenty-six".