726252451 has 4 divisors (see below), whose sum is σ = 735445600. Its totient is φ = 717059304.

The previous prime is 726252433. The next prime is 726252467. The reversal of 726252451 is 154252627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154252627 = 2141 ⋅72047.

It is a cyclic number.

It is not a de Polignac number, because 726252451 - 2⁵ = 726252419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726252431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4596456 + ... + 4596613.

It is an arithmetic number, because the mean of its divisors is an integer number (183861400).

Almost surely, 2^726252451 is an apocalyptic number.

726252451 is a deficient number, since it is larger than the sum of its proper divisors (9193149).

726252451 is an equidigital number, since it uses as much as digits as its factorization.

726252451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193148.

The product of its digits is 33600, while the sum is 34.

The square root of 726252451 is about 26949.0714311273. The cubic root of 726252451 is about 898.8678979351.

It can be divided in two parts, 72625 and 2451, that added together give a square (75076 = 274²).

The spelling of 726252451 in words is "seven hundred twenty-six million, two hundred fifty-two thousand, four hundred fifty-one".