726236973 has 24 divisors (see below), whose sum is σ = 1307856576. Its totient is φ = 377265600.

The previous prime is 726236971. The next prime is 726236989. The reversal of 726236973 is 379632627.

It is not a de Polignac number, because 726236973 - 2¹ = 726236971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726236971) 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, 523288 + ... + 524673.

It is an arithmetic number, because the mean of its divisors is an integer number (54494024).

Almost surely, 2^726236973 is an apocalyptic number.

It is an amenable number.

726236973 is a deficient number, since it is larger than the sum of its proper divisors (581619603).

726236973 is a wasteful number, since it uses less digits than its factorization.

726236973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047985 (or 1047982 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 726236973 is about 26948.7842582926. The cubic root of 726236973 is about 898.8615122877.

The spelling of 726236973 in words is "seven hundred twenty-six million, two hundred thirty-six thousand, nine hundred seventy-three".