726878742 has 16 divisors (see below), whose sum is σ = 1454326272. Its totient is φ = 242198120.

The previous prime is 726878671. The next prime is 726878771. The reversal of 726878742 is 247878627.

It is a congruent number.

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, 6078 + ... + 38609.

It is an arithmetic number, because the mean of its divisors is an integer number (90895392).

Almost surely, 2^726878742 is an apocalyptic number.

726878742 is an abundant number, since it is smaller than the sum of its proper divisors (727447530).

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

726878742 is a wasteful number, since it uses less digits than its factorization.

726878742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47403.

The product of its digits is 2107392, while the sum is 51.

The square root of 726878742 is about 26960.6888265118. The cubic root of 726878742 is about 899.1262062450.

The spelling of 726878742 in words is "seven hundred twenty-six million, eight hundred seventy-eight thousand, seven hundred forty-two".