3750280 has 64 divisors (see below), whose sum is σ = 9039600. Its totient is φ = 1397760.

The previous prime is 3750269. The next prime is 3750293. The reversal of 3750280 is 820573.

3750280 = 493² + 494² + ... + 507².

It can be written as a sum of positive squares in 8 ways, for example, as 988036 + 2762244 = 994^2 + 1662^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61450 + ... + 61510.

Almost surely, 2^3750280 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 3750280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4519800).

3750280 is an abundant number, since it is smaller than the sum of its proper divisors (5289320).

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

3750280 is a wasteful number, since it uses less digits than its factorization.

3750280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 3750280 is about 1936.5639674434. The cubic root of 3750280 is about 155.3654919797.

The spelling of 3750280 in words is "three million, seven hundred fifty thousand, two hundred eighty".