726231434 has 8 divisors (see below), whose sum is σ = 1100577828. Its totient is φ = 359372160.

The previous prime is 726231431. The next prime is 726231481. The reversal of 726231434 is 434132627.

It can be written as a sum of positive squares in 2 ways, for example, as 637815025 + 88416409 = 25255^2 + 9403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 726231434.

It is not an unprimeable number, because it can be changed into a prime (726231431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871537 + ... + 1871924.

Almost surely, 2^726231434 is an apocalyptic number.

726231434 is a deficient number, since it is larger than the sum of its proper divisors (374346394).

726231434 is a wasteful number, since it uses less digits than its factorization.

726231434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743560.

The product of its digits is 24192, while the sum is 32.

The square root of 726231434 is about 26948.6814890822. The cubic root of 726231434 is about 898.8592270802.

The spelling of 726231434 in words is "seven hundred twenty-six million, two hundred thirty-one thousand, four hundred thirty-four".