1426724872 has 8 divisors (see below), whose sum is σ = 2675109150. Its totient is φ = 713362432.

The previous prime is 1426724869. The next prime is 1426724879. The reversal of 1426724872 is 2784276241.

It can be written as a sum of positive squares in only one way, i.e., 1132053316 + 294671556 = 33646^2 + 17166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1426724879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89170297 + ... + 89170312.

Almost surely, 2^1426724872 is an apocalyptic number.

It is an amenable number.

1426724872 is a deficient number, since it is larger than the sum of its proper divisors (1248384278).

1426724872 is a wasteful number, since it uses less digits than its factorization.

1426724872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178340615 (or 178340611 counting only the distinct ones).

The product of its digits is 301056, while the sum is 43.

The square root of 1426724872 is about 37772.0117547371. The cubic root of 1426724872 is about 1125.7624124474.

The spelling of 1426724872 in words is "one billion, four hundred twenty-six million, seven hundred twenty-four thousand, eight hundred seventy-two".