407024749 has 2 divisors, whose sum is σ = 407024750. Its totient is φ = 407024748.

The previous prime is 407024623. The next prime is 407024771. The reversal of 407024749 is 947420704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296459524 + 110565225 = 17218^2 + 10515^2 .

It is a cyclic number.

It is not a de Polignac number, because 407024749 - 2⁷ = 407024621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407084749) by changing a digit.

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 as a sum of consecutive naturals, namely, 203512374 + 203512375.

It is an arithmetic number, because the mean of its divisors is an integer number (203512375).

Almost surely, 2^407024749 is an apocalyptic number.

It is an amenable number.

407024749 is a deficient number, since it is larger than the sum of its proper divisors (1).

407024749 is an equidigital number, since it uses as much as digits as its factorization.

407024749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 407024749 is about 20174.8543736999. The cubic root of 407024749 is about 741.0945265125.

It can be divided in two parts, 40702 and 4749, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 407024749 in words is "four hundred seven million, twenty-four thousand, seven hundred forty-nine".