75313387 has 2 divisors, whose sum is σ = 75313388. Its totient is φ = 75313386.

The previous prime is 75313373. The next prime is 75313429. The reversal of 75313387 is 78331357.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75313387 - 2¹¹ = 75311339 is a prime.

It is a super-2 number, since 2×75313387² = 11344212522823538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75313327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37656693 + 37656694.

It is an arithmetic number, because the mean of its divisors is an integer number (37656694).

Almost surely, 2^75313387 is an apocalyptic number.

75313387 is a deficient number, since it is larger than the sum of its proper divisors (1).

75313387 is an equidigital number, since it uses as much as digits as its factorization.

75313387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 75313387 is about 8678.3285833160. The cubic root of 75313387 is about 422.3028960523.

The spelling of 75313387 in words is "seventy-five million, three hundred thirteen thousand, three hundred eighty-seven".