716022401 has 4 divisors (see below), whose sum is σ = 733486404. Its totient is φ = 698558400.

The previous prime is 716022347. The next prime is 716022403. The reversal of 716022401 is 104220617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104220617 = 1021 ⋅102077.

It can be written as a sum of positive squares in 2 ways, for example, as 100982401 + 615040000 = 10049^2 + 24800^2 .

It is a cyclic number.

It is not a de Polignac number, because 716022401 - 2¹⁸ = 715760257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716022403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8731940 + ... + 8732021.

It is an arithmetic number, because the mean of its divisors is an integer number (183371601).

Almost surely, 2^716022401 is an apocalyptic number.

It is an amenable number.

716022401 is a deficient number, since it is larger than the sum of its proper divisors (17464003).

716022401 is a wasteful number, since it uses less digits than its factorization.

716022401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17464002.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 716022401 is about 26758.5948995832. The cubic root of 716022401 is about 894.6274162578.

The spelling of 716022401 in words is "seven hundred sixteen million, twenty-two thousand, four hundred one".