4075090 has 8 divisors (see below), whose sum is σ = 7335180. Its totient is φ = 1630032.

The previous prime is 4075073. The next prime is 4075091. The reversal of 4075090 is 905704.

It can be written as a sum of positive squares in 2 ways, for example, as 3972049 + 103041 = 1993^2 + 321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4075091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203745 + ... + 203764.

Almost surely, 2^4075090 is an apocalyptic number.

4075090 is a deficient number, since it is larger than the sum of its proper divisors (3260090).

4075090 is a wasteful number, since it uses less digits than its factorization.

4075090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407516.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 4075090 is about 2018.6852156788. The cubic root of 4075090 is about 159.7272697530.

It can be divided in two parts, 407 and 5090, that multiplied together give a triangular number (2071630 = T₂₀₃₅).

The spelling of 4075090 in words is "four million, seventy-five thousand, ninety".