719401625 has 16 divisors (see below), whose sum is σ = 898594320. Its totient is φ = 575020800.

The previous prime is 719401603. The next prime is 719401633. The reversal of 719401625 is 526104917.

It can be written as a sum of positive squares in 8 ways, for example, as 6885376 + 712516249 = 2624^2 + 26693^2 .

It is not a de Polignac number, because 719401625 - 2⁶ = 719401561 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222017 + ... + 225233.

It is an arithmetic number, because the mean of its divisors is an integer number (56162145).

Almost surely, 2^719401625 is an apocalyptic number.

It is an amenable number.

719401625 is a deficient number, since it is larger than the sum of its proper divisors (179192695).

719401625 is a wasteful number, since it uses less digits than its factorization.

719401625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021 (or 5011 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 719401625 is about 26821.6633525962. The cubic root of 719401625 is about 896.0325878513.

The spelling of 719401625 in words is "seven hundred nineteen million, four hundred one thousand, six hundred twenty-five".