74436953 has 2 divisors, whose sum is σ = 74436954. Its totient is φ = 74436952.

The previous prime is 74436949. The next prime is 74436959. The reversal of 74436953 is 35963447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62520649 + 11916304 = 7907^2 + 3452^2 .

It is a cyclic number.

It is not a de Polignac number, because 74436953 - 2² = 74436949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74436953.

It is not a weakly prime, because it can be changed into another prime (74436959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37218476 + 37218477.

It is an arithmetic number, because the mean of its divisors is an integer number (37218477).

Almost surely, 2^74436953 is an apocalyptic number.

It is an amenable number.

74436953 is a deficient number, since it is larger than the sum of its proper divisors (1).

74436953 is an equidigital number, since it uses as much as digits as its factorization.

74436953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 41.

The square root of 74436953 is about 8627.6852631514. The cubic root of 74436953 is about 420.6583646545.

The spelling of 74436953 in words is "seventy-four million, four hundred thirty-six thousand, nine hundred fifty-three".