4072457 has 2 divisors, whose sum is σ = 4072458. Its totient is φ = 4072456.

The previous prime is 4072447. The next prime is 4072459. The reversal of 4072457 is 7542704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2524921 + 1547536 = 1589^2 + 1244^2 .

It is a cyclic number.

It is not a de Polignac number, because 4072457 - 2¹⁰ = 4071433 is a prime.

Together with 4072459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4072459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036228 + 2036229.

It is an arithmetic number, because the mean of its divisors is an integer number (2036229).

Almost surely, 2^4072457 is an apocalyptic number.

It is an amenable number.

4072457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4072457 is an equidigital number, since it uses as much as digits as its factorization.

4072457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 4072457 is about 2018.0329531502. The cubic root of 4072457 is about 159.6928613095.

It can be divided in two parts, 407 and 2457, that multiplied together give a palindrome (999999).

The spelling of 4072457 in words is "four million, seventy-two thousand, four hundred fifty-seven".