74999959 has 2 divisors, whose sum is σ = 74999960. Its totient is φ = 74999958.

The previous prime is 74999933. The next prime is 75000007. The reversal of 74999959 is 95999947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74999959 - 2²¹ = 72902807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74999897 and 74999906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74999059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37499979 + 37499980.

It is an arithmetic number, because the mean of its divisors is an integer number (37499980).

Almost surely, 2^74999959 is an apocalyptic number.

74999959 is a deficient number, since it is larger than the sum of its proper divisors (1).

74999959 is an equidigital number, since it uses as much as digits as its factorization.

74999959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8266860, while the sum is 61.

The square root of 74999959 is about 8660.2516707080. The cubic root of 74999959 is about 421.7162558048.

The spelling of 74999959 in words is "seventy-four million, nine hundred ninety-nine thousand, nine hundred fifty-nine".