7278253000 has 32 divisors (see below), whose sum is σ = 17031114360. Its totient is φ = 2911300800.

The previous prime is 7278252983. The next prime is 7278253049. The reversal of 7278253000 is 3528727.

It can be written as a sum of positive squares in 4 ways, for example, as 1603041444 + 5675211556 = 40038^2 + 75334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3638127 + ... + 3640126.

Almost surely, 2^7278253000 is an apocalyptic number.

It is an amenable number.

7278253000 is an abundant number, since it is smaller than the sum of its proper divisors (9752861360).

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

7278253000 is a wasteful number, since it uses less digits than its factorization.

7278253000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7278274 (or 7278260 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 7278253000 is about 85312.6778386425. The cubic root of 7278253000 is about 1937.9491736949.

The spelling of 7278253000 in words is "seven billion, two hundred seventy-eight million, two hundred fifty-three thousand".