1873498725 has 72 divisors (see below), whose sum is σ = 3916773120. Its totient is φ = 838200960.

The previous prime is 1873498723. The next prime is 1873498729. The reversal of 1873498725 is 5278943781.

It is a happy number.

1873498725 is a `hidden beast` number, since 1 + 87 + 3 + 498 + 72 + 5 = 666.

It is not a de Polignac number, because 1873498725 - 2¹ = 1873498723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873498721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 61371 + ... + 86679.

Almost surely, 2^1873498725 is an apocalyptic number.

1873498725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1873498725 is an abundant number, since it is smaller than the sum of its proper divisors (2043274395).

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

1873498725 is a wasteful number, since it uses less digits than its factorization.

1873498725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25379 (or 25371 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 1873498725 is about 43283.9314873314. The cubic root of 1873498725 is about 1232.7768415089.

The spelling of 1873498725 in words is "one billion, eight hundred seventy-three million, four hundred ninety-eight thousand, seven hundred twenty-five".