71401942 has 8 divisors (see below), whose sum is σ = 107575416. Its totient is φ = 35543472.

The previous prime is 71401933. The next prime is 71401949. The reversal of 71401942 is 24910417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 71401942.

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 3 ways as a sum of consecutive naturals, for example, 78183 + ... + 79090.

It is an arithmetic number, because the mean of its divisors is an integer number (13446927).

Almost surely, 2^71401942 is an apocalyptic number.

71401942 is a deficient number, since it is larger than the sum of its proper divisors (36173474).

71401942 is a wasteful number, since it uses less digits than its factorization.

71401942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157502.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 71401942 is about 8449.9669821840. The cubic root of 71401942 is about 414.8616987259.

The spelling of 71401942 in words is "seventy-one million, four hundred one thousand, nine hundred forty-two".