1725050640 has 80 divisors (see below), whose sum is σ = 5353907328. Its totient is φ = 459475968.

The previous prime is 1725050611. The next prime is 1725050647. The reversal of 1725050640 is 460505271.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1725050598 and 1725050607.

It is not an unprimeable number, because it can be changed into a prime (1725050647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228364 + ... + 235796.

Almost surely, 2^1725050640 is an apocalyptic number.

1725050640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1725050640 is an abundant number, since it is smaller than the sum of its proper divisors (3628856688).

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

1725050640 is a wasteful number, since it uses less digits than its factorization.

1725050640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416 (or 8410 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1725050640 is about 41533.7289440763. The cubic root of 1725050640 is about 1199.3168889844.

The spelling of 1725050640 in words is "one billion, seven hundred twenty-five million, fifty thousand, six hundred forty".