74630987 has 2 divisors, whose sum is σ = 74630988. Its totient is φ = 74630986.

The previous prime is 74630957. The next prime is 74631013. The reversal of 74630987 is 78903647.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74630987 - 2⁶ = 74630923 is a prime.

It is a plaindrome in base 6.

It is not a weakly prime, because it can be changed into another prime (74630957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37315493 + 37315494.

It is an arithmetic number, because the mean of its divisors is an integer number (37315494).

Almost surely, 2^74630987 is an apocalyptic number.

74630987 is a deficient number, since it is larger than the sum of its proper divisors (1).

74630987 is an equidigital number, since it uses as much as digits as its factorization.

74630987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 74630987 is about 8638.9227916448. The cubic root of 74630987 is about 421.0235560605.

The spelling of 74630987 in words is "seventy-four million, six hundred thirty thousand, nine hundred eighty-seven".