726125961 has 24 divisors (see below), whose sum is σ = 1065808800. Its totient is φ = 439405120.

The previous prime is 726125941. The next prime is 726125969. The reversal of 726125961 is 169521627.

It is not a de Polignac number, because 726125961 - 2¹⁰ = 726124937 is a prime.

It is a super-2 number, since 2×726125961² = 1054517822476347042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (726125969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 344890 + ... + 346988.

It is an arithmetic number, because the mean of its divisors is an integer number (44408700).

Almost surely, 2^726125961 is an apocalyptic number.

It is an amenable number.

726125961 is a deficient number, since it is larger than the sum of its proper divisors (339682839).

726125961 is a wasteful number, since it uses less digits than its factorization.

726125961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077 (or 3066 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 726125961 is about 26946.7244948250. The cubic root of 726125961 is about 898.8157102044.

The spelling of 726125961 in words is "seven hundred twenty-six million, one hundred twenty-five thousand, nine hundred sixty-one".