719801 has 2 divisors, whose sum is σ = 719802. Its totient is φ = 719800.

The previous prime is 719791. The next prime is 719813. The reversal of 719801 is 108917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 714025 + 5776 = 845^2 + 76^2 .

It is an emirp because it is prime and its reverse (108917) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-719801 is a prime.

It is a super-2 number, since 2×719801² = 1036226959202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (719821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359900 + 359901.

It is an arithmetic number, because the mean of its divisors is an integer number (359901).

2⁷¹⁹⁸⁰¹ is an apocalyptic number.

It is an amenable number.

719801 is a deficient number, since it is larger than the sum of its proper divisors (1).

719801 is an equidigital number, since it uses as much as digits as its factorization.

719801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 719801 is about 848.4108674457. The cubic root of 719801 is about 89.6198367671.

The spelling of 719801 in words is "seven hundred nineteen thousand, eight hundred one".