74473669 has 2 divisors, whose sum is σ = 74473670. Its totient is φ = 74473668.

The previous prime is 74473657. The next prime is 74473681. The reversal of 74473669 is 96637447.

It is a balanced prime because it is at equal distance from previous prime (74473657) and next prime (74473681).

It can be written as a sum of positive squares in only one way, i.e., 55681444 + 18792225 = 7462^2 + 4335^2 .

It is a cyclic number.

It is not a de Polignac number, because 74473669 - 2⁷ = 74473541 is a prime.

It is a super-2 number, since 2×74473669² = 11092654748643122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74473699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37236834 + 37236835.

It is an arithmetic number, because the mean of its divisors is an integer number (37236835).

Almost surely, 2^74473669 is an apocalyptic number.

It is an amenable number.

74473669 is a deficient number, since it is larger than the sum of its proper divisors (1).

74473669 is an equidigital number, since it uses as much as digits as its factorization.

74473669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 46.

The square root of 74473669 is about 8629.8128021412. The cubic root of 74473669 is about 420.7275164812.

The spelling of 74473669 in words is "seventy-four million, four hundred seventy-three thousand, six hundred sixty-nine".