716215401 has 24 divisors (see below), whose sum is σ = 1159089984. Its totient is φ = 422336160.

The previous prime is 716215391. The next prime is 716215421. The reversal of 716215401 is 104512617.

It is a happy number.

It is not a de Polignac number, because 716215401 - 2⁵ = 716215369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (716215421) 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 23 ways as a sum of consecutive naturals, for example, 94101 + ... + 101426.

It is an arithmetic number, because the mean of its divisors is an integer number (48295416).

Almost surely, 2^716215401 is an apocalyptic number.

It is an amenable number.

716215401 is a deficient number, since it is larger than the sum of its proper divisors (442874583).

716215401 is a wasteful number, since it uses less digits than its factorization.

716215401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195581 (or 195578 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 716215401 is about 26762.2009745088. The cubic root of 716215401 is about 894.7077897116.

The spelling of 716215401 in words is "seven hundred sixteen million, two hundred fifteen thousand, four hundred one".