71769941 has 2 divisors, whose sum is σ = 71769942. Its totient is φ = 71769940.

The previous prime is 71769917. The next prime is 71769953. The reversal of 71769941 is 14996717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71757841 + 12100 = 8471^2 + 110^2 .

It is a cyclic number.

It is not a de Polignac number, because 71769941 - 2²² = 67575637 is a prime.

It is a super-2 number, since 2×71769941² = 10301848862286962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71769892 and 71769901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71769241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35884970 + 35884971.

It is an arithmetic number, because the mean of its divisors is an integer number (35884971).

Almost surely, 2^71769941 is an apocalyptic number.

It is an amenable number.

71769941 is a deficient number, since it is larger than the sum of its proper divisors (1).

71769941 is an equidigital number, since it uses as much as digits as its factorization.

71769941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 44.

The square root of 71769941 is about 8471.7141712879. The cubic root of 71769941 is about 415.5731973879.

The spelling of 71769941 in words is "seventy-one million, seven hundred sixty-nine thousand, nine hundred forty-one".