716631801 has 4 divisors (see below), whose sum is σ = 955509072. Its totient is φ = 477754532.

The previous prime is 716631791. The next prime is 716631803. The reversal of 716631801 is 108136617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108136617 = 3 ⋅36045539.

It is a cyclic number.

It is not a de Polignac number, because 716631801 - 2⁶ = 716631737 is a prime.

It is a super-2 number, since 2×716631801² = 1027122276409007202, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (716631803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119438631 + ... + 119438636.

It is an arithmetic number, because the mean of its divisors is an integer number (238877268).

Almost surely, 2^716631801 is an apocalyptic number.

It is an amenable number.

716631801 is a deficient number, since it is larger than the sum of its proper divisors (238877271).

716631801 is a wasteful number, since it uses less digits than its factorization.

716631801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238877270.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 716631801 is about 26769.9794732831. The cubic root of 716631801 is about 894.8811473106.

The spelling of 716631801 in words is "seven hundred sixteen million, six hundred thirty-one thousand, eight hundred one".