74420953 has 2 divisors, whose sum is σ = 74420954. Its totient is φ = 74420952.

The previous prime is 74420897. The next prime is 74420959. The reversal of 74420953 is 35902447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55175184 + 19245769 = 7428^2 + 4387^2 .

It is a cyclic number.

It is not a de Polignac number, because 74420953 - 2¹³ = 74412761 is a prime.

It is not a weakly prime, because it can be changed into another prime (74420959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37210476 + 37210477.

It is an arithmetic number, because the mean of its divisors is an integer number (37210477).

Almost surely, 2^74420953 is an apocalyptic number.

It is an amenable number.

74420953 is a deficient number, since it is larger than the sum of its proper divisors (1).

74420953 is an equidigital number, since it uses as much as digits as its factorization.

74420953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 74420953 is about 8626.7579657714. The cubic root of 74420953 is about 420.6282227431.

The spelling of 74420953 in words is "seventy-four million, four hundred twenty thousand, nine hundred fifty-three".