726236880 has 40 divisors (see below), whose sum is σ = 2251335072. Its totient is φ = 193663104.

The previous prime is 726236869. The next prime is 726236881. The reversal of 726236880 is 88632627.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726236881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512754 + ... + 1513233.

Almost surely, 2^726236880 is an apocalyptic number.

It is an amenable number.

726236880 is an abundant number, since it is smaller than the sum of its proper divisors (1525098192).

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

726236880 is a wasteful number, since it uses less digits than its factorization.

726236880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026003 (or 3025997 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 726236880 is about 26948.7825327973. The cubic root of 726236880 is about 898.8614739191.

The spelling of 726236880 in words is "seven hundred twenty-six million, two hundred thirty-six thousand, eight hundred eighty".