74954987 has 2 divisors, whose sum is σ = 74954988. Its totient is φ = 74954986.

The previous prime is 74954969. The next prime is 74955017. The reversal of 74954987 is 78945947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74954987 - 2⁶ = 74954923 is a prime.

It is not a weakly prime, because it can be changed into another prime (74954947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37477493 + 37477494.

It is an arithmetic number, because the mean of its divisors is an integer number (37477494).

Almost surely, 2^74954987 is an apocalyptic number.

74954987 is a deficient number, since it is larger than the sum of its proper divisors (1).

74954987 is an equidigital number, since it uses as much as digits as its factorization.

74954987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 74954987 is about 8657.6548210240. The cubic root of 74954987 is about 421.6319481345.

The spelling of 74954987 in words is "seventy-four million, nine hundred fifty-four thousand, nine hundred eighty-seven".