2687740924 has 24 divisors (see below), whose sum is σ = 5134163328. Its totient is φ = 1220981040.

The previous prime is 2687740921. The next prime is 2687740949. The reversal of 2687740924 is 4290477862.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687740921) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 61537 + ... + 95719.

It is an arithmetic number, because the mean of its divisors is an integer number (213923472).

Almost surely, 2^2687740924 is an apocalyptic number.

It is an amenable number.

2687740924 is a deficient number, since it is larger than the sum of its proper divisors (2446422404).

2687740924 is a wasteful number, since it uses less digits than its factorization.

2687740924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35985 (or 35983 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 2687740924 is about 51843.4270086382. The cubic root of 2687740924 is about 1390.3659861285.

The spelling of 2687740924 in words is "two billion, six hundred eighty-seven million, seven hundred forty thousand, nine hundred twenty-four".