1873225749 has 16 divisors (see below), whose sum is σ = 2552343552. Its totient is φ = 1221495408.

The previous prime is 1873225721. The next prime is 1873225763. The reversal of 1873225749 is 9475223781.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1873225749 is a prime.

It is a super-2 number, since 2×1873225749² = 7017949413433222002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1873225698 and 1873225707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873225349) 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, 313302 + ... + 319224.

It is an arithmetic number, because the mean of its divisors is an integer number (159521472).

Almost surely, 2^1873225749 is an apocalyptic number.

It is an amenable number.

1873225749 is a deficient number, since it is larger than the sum of its proper divisors (679117803).

1873225749 is a wasteful number, since it uses less digits than its factorization.

1873225749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216.

The product of its digits is 846720, while the sum is 48.

The square root of 1873225749 is about 43280.7780544666. The cubic root of 1873225749 is about 1232.7169651517.

The spelling of 1873225749 in words is "one billion, eight hundred seventy-three million, two hundred twenty-five thousand, seven hundred forty-nine".