2573773728 has 24 divisors (see below), whose sum is σ = 6756156288. Its totient is φ = 857924544.

The previous prime is 2573773723. The next prime is 2573773733. The reversal of 2573773728 is 8273773752.

It is an interprime number because it is at equal distance from previous prime (2573773723) and next prime (2573773733).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2573773728² = 13248622405886035968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2573773723) 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, 13404976 + ... + 13405167.

It is an arithmetic number, because the mean of its divisors is an integer number (281506512).

Almost surely, 2^2573773728 is an apocalyptic number.

It is an amenable number.

2573773728 is an abundant number, since it is smaller than the sum of its proper divisors (4182382560).

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

2573773728 is a wasteful number, since it uses less digits than its factorization.

2573773728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26810156 (or 26810148 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 51.

The square root of 2573773728 is about 50732.3735695463. The cubic root of 2573773728 is about 1370.4297811560.

The spelling of 2573773728 in words is "two billion, five hundred seventy-three million, seven hundred seventy-three thousand, seven hundred twenty-eight".