75705061 has 2 divisors, whose sum is σ = 75705062. Its totient is φ = 75705060.

The previous prime is 75705017. The next prime is 75705079. The reversal of 75705061 is 16050757.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53436100 + 22268961 = 7310^2 + 4719^2 .

It is a cyclic number.

It is not a de Polignac number, because 75705061 - 2¹⁵ = 75672293 is a prime.

It is a super-2 number, since 2×75705061² = 11462512522027442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75705001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37852530 + 37852531.

It is an arithmetic number, because the mean of its divisors is an integer number (37852531).

Almost surely, 2^75705061 is an apocalyptic number.

It is an amenable number.

75705061 is a deficient number, since it is larger than the sum of its proper divisors (1).

75705061 is an equidigital number, since it uses as much as digits as its factorization.

75705061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 75705061 is about 8700.8655316583. The cubic root of 75705061 is about 423.0337052841.

The spelling of 75705061 in words is "seventy-five million, seven hundred five thousand, sixty-one".