74562401 has 2 divisors, whose sum is σ = 74562402. Its totient is φ = 74562400.

The previous prime is 74562377. The next prime is 74562413. The reversal of 74562401 is 10426547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51136801 + 23425600 = 7151^2 + 4840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74562401 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (74562461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37281200 + 37281201.

It is an arithmetic number, because the mean of its divisors is an integer number (37281201).

Almost surely, 2^74562401 is an apocalyptic number.

It is an amenable number.

74562401 is a deficient number, since it is larger than the sum of its proper divisors (1).

74562401 is an equidigital number, since it uses as much as digits as its factorization.

74562401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 74562401 is about 8634.9522870714. The cubic root of 74562401 is about 420.8945427508.

Adding to 74562401 its reverse (10426547), we get a palindrome (84988948).

The spelling of 74562401 in words is "seventy-four million, five hundred sixty-two thousand, four hundred one".