1873742625 has 48 divisors (see below), whose sum is σ = 3502891392. Its totient is φ = 999313200.

The previous prime is 1873742617. The next prime is 1873742639. The reversal of 1873742625 is 5262473781.

1873742625 is a `hidden beast` number, since 18 + 7 + 3 + 7 + 4 + 2 + 625 = 666.

It is not a de Polignac number, because 1873742625 - 2³ = 1873742617 is a prime.

It is a super-2 number, since 2×1873742625² = 7021822849483781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 469 + ... + 61218.

It is an arithmetic number, because the mean of its divisors is an integer number (72976904).

Almost surely, 2^1873742625 is an apocalyptic number.

1873742625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1873742625 is a deficient number, since it is larger than the sum of its proper divisors (1629148767).

1873742625 is an frugal number, since it uses more digits than its factorization.

1873742625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61717 (or 61695 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 1873742625 is about 43286.7488384147. The cubic root of 1873742625 is about 1232.8303352246.

The spelling of 1873742625 in words is "one billion, eight hundred seventy-three million, seven hundred forty-two thousand, six hundred twenty-five".