70134761 has 2 divisors, whose sum is σ = 70134762. Its totient is φ = 70134760.

The previous prime is 70134749. The next prime is 70134767. The reversal of 70134761 is 16743107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68227600 + 1907161 = 8260^2 + 1381^2 .

It is an emirp because it is prime and its reverse (16743107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70134761 - 2⁶ = 70134697 is a prime.

It is not a weakly prime, because it can be changed into another prime (70134767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35067380 + 35067381.

It is an arithmetic number, because the mean of its divisors is an integer number (35067381).

Almost surely, 2^70134761 is an apocalyptic number.

It is an amenable number.

70134761 is a deficient number, since it is larger than the sum of its proper divisors (1).

70134761 is an equidigital number, since it uses as much as digits as its factorization.

70134761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 70134761 is about 8374.6499031303. The cubic root of 70134761 is about 412.3928311740.

Adding to 70134761 its reverse (16743107), we get a palindrome (86877868).

The spelling of 70134761 in words is "seventy million, one hundred thirty-four thousand, seven hundred sixty-one".