2557734970 has 32 divisors (see below), whose sum is σ = 5538556800. Its totient is φ = 830782656.

The previous prime is 2557734961. The next prime is 2557734979. The reversal of 2557734970 is 794377552.

2557734970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2557734961) and next prime (2557734979).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2557734979) 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, 960225 + ... + 962884.

It is an arithmetic number, because the mean of its divisors is an integer number (173079900).

Almost surely, 2^2557734970 is an apocalyptic number.

2557734970 is an abundant number, since it is smaller than the sum of its proper divisors (2980821830).

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

2557734970 is a wasteful number, since it uses less digits than its factorization.

2557734970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923142.

The product of its (nonzero) digits is 1852200, while the sum is 49.

The square root of 2557734970 is about 50574.0543164180. The cubic root of 2557734970 is about 1367.5771855006.

The spelling of 2557734970 in words is "two billion, five hundred fifty-seven million, seven hundred thirty-four thousand, nine hundred seventy".