274728090 has 96 divisors (see below), whose sum is σ = 816068736. Its totient is φ = 57957120.

The previous prime is 274728061. The next prime is 274728101. The reversal of 274728090 is 90827472.

274728090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a zygodrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31620 + ... + 39360.

It is an arithmetic number, because the mean of its divisors is an integer number (8500716).

Almost surely, 2^274728090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274728090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408034368).

274728090 is an abundant number, since it is smaller than the sum of its proper divisors (541340646).

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

274728090 is a wasteful number, since it uses less digits than its factorization.

274728090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7784 (or 7771 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 274728090 is about 16574.9235292354. The cubic root of 274728090 is about 650.0813231584.

The spelling of 274728090 in words is "two hundred seventy-four million, seven hundred twenty-eight thousand, ninety".