75039001 has 2 divisors, whose sum is σ = 75039002. Its totient is φ = 75039000.

The previous prime is 75038983. The next prime is 75039007. The reversal of 75039001 is 10093057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51768025 + 23270976 = 7195^2 + 4824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75039001 is a prime.

It is not a weakly prime, because it can be changed into another prime (75039007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37519500 + 37519501.

It is an arithmetic number, because the mean of its divisors is an integer number (37519501).

Almost surely, 2^75039001 is an apocalyptic number.

It is an amenable number.

75039001 is a deficient number, since it is larger than the sum of its proper divisors (1).

75039001 is an equidigital number, since it uses as much as digits as its factorization.

75039001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 75039001 is about 8662.5054689737. The cubic root of 75039001 is about 421.7894193556.

The spelling of 75039001 in words is "seventy-five million, thirty-nine thousand, one".