726726216 has 32 divisors (see below), whose sum is σ = 1895808960. Its totient is φ = 231709632.

The previous prime is 726726191. The next prime is 726726223. The reversal of 726726216 is 612627627.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657715 + ... + 658818.

It is an arithmetic number, because the mean of its divisors is an integer number (59244030).

Almost surely, 2^726726216 is an apocalyptic number.

It is an amenable number.

726726216 is an abundant number, since it is smaller than the sum of its proper divisors (1169082744).

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

726726216 is a wasteful number, since it uses less digits than its factorization.

726726216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316565 (or 1316561 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 726726216 is about 26957.8600040879. The cubic root of 726726216 is about 899.0633118862.

The spelling of 726726216 in words is "seven hundred twenty-six million, seven hundred twenty-six thousand, two hundred sixteen".