726077128 has 32 divisors (see below), whose sum is σ = 1582257600. Its totient is φ = 305900352.

The previous prime is 726077119. The next prime is 726077137. The reversal of 726077128 is 821770627.

It is an interprime number because it is at equal distance from previous prime (726077119) and next prime (726077137).

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, 106575 + ... + 113182.

It is an arithmetic number, because the mean of its divisors is an integer number (49445550).

Almost surely, 2^726077128 is an apocalyptic number.

It is an amenable number.

726077128 is an abundant number, since it is smaller than the sum of its proper divisors (856180472).

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

726077128 is a wasteful number, since it uses less digits than its factorization.

726077128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219829 (or 219825 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 726077128 is about 26945.8183768836. The cubic root of 726077128 is about 898.7955608759.

The spelling of 726077128 in words is "seven hundred twenty-six million, seventy-seven thousand, one hundred twenty-eight".