74670547453 has 2 divisors, whose sum is σ = 74670547454. Its totient is φ = 74670547452.

The previous prime is 74670547439. The next prime is 74670547463. The reversal of 74670547453 is 35474507647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73223277604 + 1447269849 = 270598^2 + 38043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74670547453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74670547453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74670547433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37335273726 + 37335273727.

It is an arithmetic number, because the mean of its divisors is an integer number (37335273727).

Almost surely, 2^74670547453 is an apocalyptic number.

It is an amenable number.

74670547453 is a deficient number, since it is larger than the sum of its proper divisors (1).

74670547453 is an equidigital number, since it uses as much as digits as its factorization.

74670547453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9878400, while the sum is 52.

The spelling of 74670547453 in words is "seventy-four billion, six hundred seventy million, five hundred forty-seven thousand, four hundred fifty-three".