719609394 has 48 divisors (see below), whose sum is σ = 1686333600. Its totient is φ = 204111936.

The previous prime is 719609377. The next prime is 719609453. The reversal of 719609394 is 493906917.

719609394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32062 + ... + 49670.

It is an arithmetic number, because the mean of its divisors is an integer number (35131950).

Almost surely, 2^719609394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 719609394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (843166800).

719609394 is an abundant number, since it is smaller than the sum of its proper divisors (966724206).

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

719609394 is a wasteful number, since it uses less digits than its factorization.

719609394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17767 (or 17760 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 719609394 is about 26825.5362294960. The cubic root of 719609394 is about 896.1188400313.

The spelling of 719609394 in words is "seven hundred nineteen million, six hundred nine thousand, three hundred ninety-four".