716840401 has 8 divisors (see below), whose sum is σ = 740371104. Its totient is φ = 693621600.

The previous prime is 716840389. The next prime is 716840419. The reversal of 716840401 is 104048617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 716840401 - 2⁹ = 716839889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716840431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73300 + ... + 82501.

It is an arithmetic number, because the mean of its divisors is an integer number (92546388).

Almost surely, 2^716840401 is an apocalyptic number.

It is an amenable number.

716840401 is a deficient number, since it is larger than the sum of its proper divisors (23530703).

716840401 is a wasteful number, since it uses less digits than its factorization.

716840401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155951.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 716840401 is about 26773.8753451942. The cubic root of 716840401 is about 894.9679673939.

The spelling of 716840401 in words is "seven hundred sixteen million, eight hundred forty thousand, four hundred one".