726168242 has 16 divisors (see below), whose sum is σ = 1128475392. Its totient is φ = 350094960.

The previous prime is 726168227. The next prime is 726168257. The reversal of 726168242 is 242861627.

It is an interprime number because it is at equal distance from previous prime (726168227) and next prime (726168257).

It is a junction number, because it is equal to n+sod(n) for n = 726168196 and 726168205.

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, 3968 + ... + 38315.

It is an arithmetic number, because the mean of its divisors is an integer number (70529712).

Almost surely, 2^726168242 is an apocalyptic number.

726168242 is a deficient number, since it is larger than the sum of its proper divisors (402307150).

726168242 is a wasteful number, since it uses less digits than its factorization.

726168242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42593.

The product of its digits is 64512, while the sum is 38.

The square root of 726168242 is about 26947.5090128939. The cubic root of 726168242 is about 898.8331553363.

The spelling of 726168242 in words is "seven hundred twenty-six million, one hundred sixty-eight thousand, two hundred forty-two".