70230761 has 2 divisors, whose sum is σ = 70230762. Its totient is φ = 70230760.

The previous prime is 70230751. The next prime is 70230767. The reversal of 70230761 is 16703207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43811161 + 26419600 = 6619^2 + 5140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70230761 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70230761.

It is not a weakly prime, because it can be changed into another prime (70230767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35115380 + 35115381.

It is an arithmetic number, because the mean of its divisors is an integer number (35115381).

Almost surely, 2^70230761 is an apocalyptic number.

It is an amenable number.

70230761 is a deficient number, since it is larger than the sum of its proper divisors (1).

70230761 is an equidigital number, since it uses as much as digits as its factorization.

70230761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 70230761 is about 8380.3795260119. The cubic root of 70230761 is about 412.5809055876.

Adding to 70230761 its reverse (16703207), we get a palindrome (86933968).

The spelling of 70230761 in words is "seventy million, two hundred thirty thousand, seven hundred sixty-one".