4123730 has 16 divisors (see below), whose sum is σ = 7993944. Its totient is φ = 1522560.

The previous prime is 4123727. The next prime is 4123747. The reversal of 4123730 is 373214.

It can be written as a sum of positive squares in 4 ways, for example, as 1324801 + 2798929 = 1151^2 + 1673^2 .

It is a super-2 number, since 2×4123730² = 34010298225800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15731 + ... + 15990.

Almost surely, 2^4123730 is an apocalyptic number.

4123730 is a deficient number, since it is larger than the sum of its proper divisors (3870214).

4123730 is a wasteful number, since it uses less digits than its factorization.

4123730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31741.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 4123730 is about 2030.6969247034. The cubic root of 4123730 is about 160.3602559474.

Adding to 4123730 its reverse (373214), we get a palindrome (4496944).

The spelling of 4123730 in words is "four million, one hundred twenty-three thousand, seven hundred thirty".