70875001 has 2 divisors, whose sum is σ = 70875002. Its totient is φ = 70875000.

The previous prime is 70874977. The next prime is 70875011. The reversal of 70875001 is 10057807.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54464400 + 16410601 = 7380^2 + 4051^2 .

It is an emirp because it is prime and its reverse (10057807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70875001 - 2⁷ = 70874873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70875011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35437500 + 35437501.

It is an arithmetic number, because the mean of its divisors is an integer number (35437501).

Almost surely, 2^70875001 is an apocalyptic number.

It is an amenable number.

70875001 is a deficient number, since it is larger than the sum of its proper divisors (1).

70875001 is an equidigital number, since it uses as much as digits as its factorization.

70875001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 70875001 is about 8418.7291796328. The cubic root of 70875001 is about 413.8386284035.

The spelling of 70875001 in words is "seventy million, eight hundred seventy-five thousand, one".