2664672372 has 18 divisors (see below), whose sum is σ = 6735699698. Its totient is φ = 888224112.

The previous prime is 2664672359. The next prime is 2664672377. The reversal of 2664672372 is 2732764662.

It can be written as a sum of positive squares in only one way, i.e., 1848656016 + 816016356 = 42996^2 + 28566^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664672377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37009303 + ... + 37009374.

Almost surely, 2^2664672372 is an apocalyptic number.

It is an amenable number.

2664672372 is an abundant number, since it is smaller than the sum of its proper divisors (4071027326).

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

2664672372 is a wasteful number, since it uses less digits than its factorization.

2664672372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74018687 (or 74018682 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The square root of 2664672372 is about 51620.4646627672. The cubic root of 2664672372 is about 1386.3767708162.

The spelling of 2664672372 in words is "two billion, six hundred sixty-four million, six hundred seventy-two thousand, three hundred seventy-two".