70572101 has 2 divisors, whose sum is σ = 70572102. Its totient is φ = 70572100.

The previous prime is 70572091. The next prime is 70572127. The reversal of 70572101 is 10127507.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70543201 + 28900 = 8399^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 70572101 - 2⁶ = 70572037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70572401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35286050 + 35286051.

It is an arithmetic number, because the mean of its divisors is an integer number (35286051).

Almost surely, 2^70572101 is an apocalyptic number.

It is an amenable number.

70572101 is a deficient number, since it is larger than the sum of its proper divisors (1).

70572101 is an equidigital number, since it uses as much as digits as its factorization.

70572101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 70572101 is about 8400.7202667390. The cubic root of 70572101 is about 413.2482429044.

Adding to 70572101 its reverse (10127507), we get a palindrome (80699608).

The spelling of 70572101 in words is "seventy million, five hundred seventy-two thousand, one hundred one".