719981004 has 12 divisors (see below), whose sum is σ = 1679955704. Its totient is φ = 239993664.

The previous prime is 719980997. The next prime is 719981011. The reversal of 719981004 is 400189917.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (719980997) and next prime (719981011).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×719981004² = 1036745292241696032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29999197 + ... + 29999220.

Almost surely, 2^719981004 is an apocalyptic number.

It is an amenable number.

719981004 is an abundant number, since it is smaller than the sum of its proper divisors (959974700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

719981004 is a wasteful number, since it uses less digits than its factorization.

719981004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59998424 (or 59998422 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 719981004 is about 26832.4617581019. The cubic root of 719981004 is about 896.2730669491.

The spelling of 719981004 in words is "seven hundred nineteen million, nine hundred eighty-one thousand, four".