2672273920 has 40 divisors (see below), whose sum is σ = 6407200404. Its totient is φ = 1068908544.

The previous prime is 2672273899. The next prime is 2672273927. The reversal of 2672273920 is 293722762.

It can be written as a sum of positive squares in 2 ways, for example, as 2383001856 + 289272064 = 48816^2 + 17008^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2672273927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519369 + ... + 524488.

Almost surely, 2^2672273920 is an apocalyptic number.

2672273920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2672273920 is an abundant number, since it is smaller than the sum of its proper divisors (3734926484).

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

2672273920 is an equidigital number, since it uses as much as digits as its factorization.

2672273920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043880 (or 1043864 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 2672273920 is about 51694.0414361269. The cubic root of 2672273920 is about 1387.6938313198.

The spelling of 2672273920 in words is "two billion, six hundred seventy-two million, two hundred seventy-three thousand, nine hundred twenty".