74678027 has 2 divisors, whose sum is σ = 74678028. Its totient is φ = 74678026.

The previous prime is 74678003. The next prime is 74678047. The reversal of 74678027 is 72087647.

It is a strong prime.

It is an emirp because it is prime and its reverse (72087647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74678027 - 2¹⁰ = 74677003 is a prime.

It is a super-2 number, since 2×74678027² = 11153615433225458, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74678047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37339013 + 37339014.

It is an arithmetic number, because the mean of its divisors is an integer number (37339014).

Almost surely, 2^74678027 is an apocalyptic number.

74678027 is a deficient number, since it is larger than the sum of its proper divisors (1).

74678027 is an equidigital number, since it uses as much as digits as its factorization.

74678027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 74678027 is about 8641.6449244342. The cubic root of 74678027 is about 421.1119946984. Note that the first 3 decimals are identical.

The spelling of 74678027 in words is "seventy-four million, six hundred seventy-eight thousand, twenty-seven".