71401941 has 24 divisors (see below), whose sum is σ = 112334040. Its totient is φ = 43439616.

The previous prime is 71401933. The next prime is 71401949. The reversal of 71401941 is 14910417.

It is an interprime number because it is at equal distance from previous prime (71401933) and next prime (71401949).

It can be written as a sum of positive squares in 4 ways, for example, as 7001316 + 64400625 = 2646^2 + 8025^2 .

It is not a de Polignac number, because 71401941 - 2³ = 71401933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71401949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6985 + ... + 13841.

It is an arithmetic number, because the mean of its divisors is an integer number (4680585).

Almost surely, 2^71401941 is an apocalyptic number.

It is an amenable number.

71401941 is a deficient number, since it is larger than the sum of its proper divisors (40932099).

71401941 is a wasteful number, since it uses less digits than its factorization.

71401941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6965 (or 6962 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 71401941 is about 8449.9669230122. The cubic root of 71401941 is about 414.8616967892.

The spelling of 71401941 in words is "seventy-one million, four hundred one thousand, nine hundred forty-one".