726125505 has 48 divisors (see below), whose sum is σ = 1410529920. Its totient is φ = 312403968.

The previous prime is 726125501. The next prime is 726125509. The reversal of 726125505 is 505521627.

It is an interprime number because it is at equal distance from previous prime (726125501) and next prime (726125509).

It is not a de Polignac number, because 726125505 - 2² = 726125501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (726125501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18381 + ... + 42309.

It is an arithmetic number, because the mean of its divisors is an integer number (29386040).

Almost surely, 2^726125505 is an apocalyptic number.

It is an amenable number.

726125505 is a deficient number, since it is larger than the sum of its proper divisors (684404415).

726125505 is a wasteful number, since it uses less digits than its factorization.

726125505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23978 (or 23961 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 726125505 is about 26946.7160336840. The cubic root of 726125505 is about 898.8155220552.

The spelling of 726125505 in words is "seven hundred twenty-six million, one hundred twenty-five thousand, five hundred five".