42677941 has 2 divisors, whose sum is σ = 42677942. Its totient is φ = 42677940.

The previous prime is 42677881. The next prime is 42677981. The reversal of 42677941 is 14977624.

It is an a-pointer prime, because the next prime (42677981) can be obtained adding 42677941 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36650916 + 6027025 = 6054^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 42677941 - 2⁷ = 42677813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42677894 and 42677903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42677981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21338970 + 21338971.

It is an arithmetic number, because the mean of its divisors is an integer number (21338971).

Almost surely, 2^42677941 is an apocalyptic number.

It is an amenable number.

42677941 is a deficient number, since it is larger than the sum of its proper divisors (1).

42677941 is an equidigital number, since it uses as much as digits as its factorization.

42677941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 42677941 is about 6532.8356017889. The cubic root of 42677941 is about 349.4629614257.

The spelling of 42677941 in words is "forty-two million, six hundred seventy-seven thousand, nine hundred forty-one".