726570516 has 48 divisors (see below), whose sum is σ = 1945681920. Its totient is φ = 206717280.

The previous prime is 726570511. The next prime is 726570541. The reversal of 726570516 is 615075627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726570511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1981 + ... + 38171.

It is an arithmetic number, because the mean of its divisors is an integer number (40535040).

Almost surely, 2^726570516 is an apocalyptic number.

It is an amenable number.

726570516 is an abundant number, since it is smaller than the sum of its proper divisors (1219111404).

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

726570516 is a wasteful number, since it uses less digits than its factorization.

726570516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36444 (or 36442 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 726570516 is about 26954.9720088892. The cubic root of 726570516 is about 898.9990996455. Note that the first 3 decimals are identical.

The spelling of 726570516 in words is "seven hundred twenty-six million, five hundred seventy thousand, five hundred sixteen".