1872736949 has 16 divisors (see below), whose sum is σ = 2050790400. Its totient is φ = 1703180544.

The previous prime is 1872736933. The next prime is 1872736969. The reversal of 1872736949 is 9496372781.

It is a cyclic number.

It is not a de Polignac number, because 1872736949 - 2⁴ = 1872736933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1872736894 and 1872736903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872736969) 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, 48287 + ... + 77955.

It is an arithmetic number, because the mean of its divisors is an integer number (128174400).

Almost surely, 2^1872736949 is an apocalyptic number.

It is an amenable number.

1872736949 is a deficient number, since it is larger than the sum of its proper divisors (178053451).

1872736949 is a wasteful number, since it uses less digits than its factorization.

1872736949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29812.

The product of its digits is 4572288, while the sum is 56.

The square root of 1872736949 is about 43275.1308374683. The cubic root of 1872736949 is about 1232.6097339988.

The spelling of 1872736949 in words is "one billion, eight hundred seventy-two million, seven hundred thirty-six thousand, nine hundred forty-nine".