726523434 has 48 divisors (see below), whose sum is σ = 1937400192. Its totient is φ = 191610144.

The previous prime is 726523423. The next prime is 726523459. The reversal of 726523434 is 434325627.

It is a super-4 number, since 4×726523434⁴ (a number of 37 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220134 + ... + 223409.

It is an arithmetic number, because the mean of its divisors is an integer number (40362504).

Almost surely, 2^726523434 is an apocalyptic number.

726523434 is an abundant number, since it is smaller than the sum of its proper divisors (1210876758).

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

726523434 is a wasteful number, since it uses less digits than its factorization.

726523434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443571 (or 443568 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 726523434 is about 26954.0986493706. The cubic root of 726523434 is about 898.9796807504.

The spelling of 726523434 in words is "seven hundred twenty-six million, five hundred twenty-three thousand, four hundred thirty-four".