75407027 has 2 divisors, whose sum is σ = 75407028. Its totient is φ = 75407026.

The previous prime is 75407023. The next prime is 75407071. The reversal of 75407027 is 72070457.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75407027 - 2² = 75407023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75406984 and 75407002.

It is not a weakly prime, because it can be changed into another prime (75407023) 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, 37703513 + 37703514.

It is an arithmetic number, because the mean of its divisors is an integer number (37703514).

Almost surely, 2^75407027 is an apocalyptic number.

75407027 is a deficient number, since it is larger than the sum of its proper divisors (1).

75407027 is an equidigital number, since it uses as much as digits as its factorization.

75407027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 75407027 is about 8683.7219554751. The cubic root of 75407027 is about 422.4778453189.

The spelling of 75407027 in words is "seventy-five million, four hundred seven thousand, twenty-seven".