2975280 has 240 divisors, whose sum is σ = 12213504. Its totient is φ = 591360.

The previous prime is 2975279. The next prime is 2975293. The reversal of 2975280 is 825792.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 129349 + ... + 129371.

2^2975280 is an apocalyptic number.

2975280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2975280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6106752).

2975280 is an abundant number, since it is smaller than the sum of its proper divisors (9238224).

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

2975280 is a wasteful number, since it uses less digits than its factorization.

2975280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2975280 is about 1724.8999971013. The cubic root of 2975280 is about 143.8277260816.

The spelling of 2975280 in words is "two million, nine hundred seventy-five thousand, two hundred eighty".