1720875842925 has 24 divisors (see below), whose sum is σ = 2847180994944. Its totient is φ = 917155416960.

The previous prime is 1720875842923. The next prime is 1720875842927. The reversal of 1720875842925 is 5292485780271.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1720875842923) and next prime (1720875842927).

It is not a de Polignac number, because 1720875842925 - 2¹ = 1720875842923 is a prime.

It is a super-2 number, since 2×1720875842925² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720875842923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7955472 + ... + 8168921.

It is an arithmetic number, because the mean of its divisors is an integer number (118632541456).

Almost surely, 2^{1720875842925} is an apocalyptic number.

1720875842925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1720875842925 is a deficient number, since it is larger than the sum of its proper divisors (1126305152019).

1720875842925 is a wasteful number, since it uses less digits than its factorization.

1720875842925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16125829 (or 16125824 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 60.

The spelling of 1720875842925 in words is "one trillion, seven hundred twenty billion, eight hundred seventy-five million, eight hundred forty-two thousand, nine hundred twenty-five".