74461997 has 2 divisors, whose sum is σ = 74461998. Its totient is φ = 74461996.

The previous prime is 74461967. The next prime is 74461999. The reversal of 74461997 is 79916447.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67338436 + 7123561 = 8206^2 + 2669^2 .

It is a cyclic number.

It is not a de Polignac number, because 74461997 - 2¹⁰ = 74460973 is a prime.

Together with 74461999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74461999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37230998 + 37230999.

It is an arithmetic number, because the mean of its divisors is an integer number (37230999).

Almost surely, 2^74461997 is an apocalyptic number.

It is an amenable number.

74461997 is a deficient number, since it is larger than the sum of its proper divisors (1).

74461997 is an equidigital number, since it uses as much as digits as its factorization.

74461997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 74461997 is about 8629.1365153183. The cubic root of 74461997 is about 420.7055356111.

The spelling of 74461997 in words is "seventy-four million, four hundred sixty-one thousand, nine hundred ninety-seven".