42602761 has 2 divisors, whose sum is σ = 42602762. Its totient is φ = 42602760.

The previous prime is 42602719. The next prime is 42602767. The reversal of 42602761 is 16720624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37454400 + 5148361 = 6120^2 + 2269^2 .

It is a cyclic number.

It is not a de Polignac number, because 42602761 - 2¹¹ = 42600713 is a prime.

It is not a weakly prime, because it can be changed into another prime (42602767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21301380 + 21301381.

It is an arithmetic number, because the mean of its divisors is an integer number (21301381).

Almost surely, 2^42602761 is an apocalyptic number.

It is an amenable number.

42602761 is a deficient number, since it is larger than the sum of its proper divisors (1).

42602761 is an equidigital number, since it uses as much as digits as its factorization.

42602761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 42602761 is about 6527.0790557492. The cubic root of 42602761 is about 349.2576401526.

It can be divided in two parts, 4260 and 2761, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 42602761 in words is "forty-two million, six hundred two thousand, seven hundred sixty-one".