74459653 has 2 divisors, whose sum is σ = 74459654. Its totient is φ = 74459652.

The previous prime is 74459639. The next prime is 74459663. The reversal of 74459653 is 35695447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56295009 + 18164644 = 7503^2 + 4262^2 .

It is a cyclic number.

It is not a de Polignac number, because 74459653 - 2⁹ = 74459141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74459603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37229826 + 37229827.

It is an arithmetic number, because the mean of its divisors is an integer number (37229827).

Almost surely, 2^74459653 is an apocalyptic number.

It is an amenable number.

74459653 is a deficient number, since it is larger than the sum of its proper divisors (1).

74459653 is an equidigital number, since it uses as much as digits as its factorization.

74459653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

The square root of 74459653 is about 8629.0006953297. Note that the first 3 decimals coincide. The cubic root of 74459653 is about 420.7011210812.

The spelling of 74459653 in words is "seventy-four million, four hundred fifty-nine thousand, six hundred fifty-three".