75408037 has 2 divisors, whose sum is σ = 75408038. Its totient is φ = 75408036.

The previous prime is 75408023. The next prime is 75408043. The reversal of 75408037 is 73080457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73805281 + 1602756 = 8591^2 + 1266^2 .

It is a cyclic number.

It is not a de Polignac number, because 75408037 - 2¹¹ = 75405989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75407993 and 75408011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75408937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37704018 + 37704019.

It is an arithmetic number, because the mean of its divisors is an integer number (37704019).

Almost surely, 2^75408037 is an apocalyptic number.

It is an amenable number.

75408037 is a deficient number, since it is larger than the sum of its proper divisors (1).

75408037 is an equidigital number, since it uses as much as digits as its factorization.

75408037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 75408037 is about 8683.7801100673. The cubic root of 75408037 is about 422.4797315300.

The spelling of 75408037 in words is "seventy-five million, four hundred eight thousand, thirty-seven".