75438371 has 2 divisors, whose sum is σ = 75438372. Its totient is φ = 75438370.

The previous prime is 75438359. The next prime is 75438373. The reversal of 75438371 is 17383457.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75438371 - 2¹⁴ = 75421987 is a prime.

It is a super-3 number, since 3×75438371³ (a number of 25 digits) contains 333 as substring.

Together with 75438373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75438373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37719185 + 37719186.

It is an arithmetic number, because the mean of its divisors is an integer number (37719186).

Almost surely, 2^75438371 is an apocalyptic number.

75438371 is a deficient number, since it is larger than the sum of its proper divisors (1).

75438371 is an equidigital number, since it uses as much as digits as its factorization.

75438371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 75438371 is about 8685.5265240514. The cubic root of 75438371 is about 422.5363735126.

The spelling of 75438371 in words is "seventy-five million, four hundred thirty-eight thousand, three hundred seventy-one".