275354028 has 72 divisors (see below), whose sum is σ = 722082816. Its totient is φ = 88380000.

The previous prime is 275354021. The next prime is 275354047. The reversal of 275354028 is 820453572.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 275353983 and 275354001.

It is not an unprimeable number, because it can be changed into a prime (275354021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279625 + ... + 280607.

It is an arithmetic number, because the mean of its divisors is an integer number (10028928).

Almost surely, 2^275354028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275354028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361041408).

275354028 is an abundant number, since it is smaller than the sum of its proper divisors (446728788).

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

275354028 is a wasteful number, since it uses less digits than its factorization.

275354028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 275354028 is about 16593.7948643461. The cubic root of 275354028 is about 650.5746618143.

The spelling of 275354028 in words is "two hundred seventy-five million, three hundred fifty-four thousand, twenty-eight".