74580043 has 2 divisors, whose sum is σ = 74580044. Its totient is φ = 74580042.

The previous prime is 74580001. The next prime is 74580061. The reversal of 74580043 is 34008547.

It is a strong prime.

It is an emirp because it is prime and its reverse (34008547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74580043 - 2¹³ = 74571851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74579987 and 74580014.

It is not a weakly prime, because it can be changed into another prime (74580943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37290021 + 37290022.

It is an arithmetic number, because the mean of its divisors is an integer number (37290022).

Almost surely, 2^74580043 is an apocalyptic number.

74580043 is a deficient number, since it is larger than the sum of its proper divisors (1).

74580043 is an equidigital number, since it uses as much as digits as its factorization.

74580043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 74580043 is about 8635.9737725401. The cubic root of 74580043 is about 420.9277356910.

The spelling of 74580043 in words is "seventy-four million, five hundred eighty thousand, forty-three".