4290745 has 4 divisors (see below), whose sum is σ = 5148900. Its totient is φ = 3432592.

The previous prime is 4290701. The next prime is 4290757. The reversal of 4290745 is 5470924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2319529 + 1971216 = 1523^2 + 1404^2 .

It is a cyclic number.

It is not a de Polignac number, because 4290745 - 2⁹ = 4290233 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429070 + ... + 429079.

It is an arithmetic number, because the mean of its divisors is an integer number (1287225).

Almost surely, 2^4290745 is an apocalyptic number.

It is an amenable number.

4290745 is a deficient number, since it is larger than the sum of its proper divisors (858155).

4290745 is an equidigital number, since it uses as much as digits as its factorization.

4290745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858154.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 4290745 is about 2071.4113546083. The cubic root of 4290745 is about 162.4965837546.

The spelling of 4290745 in words is "four million, two hundred ninety thousand, seven hundred forty-five".