71955942 has 32 divisors (see below), whose sum is σ = 148452480. Its totient is φ = 23237760.

The previous prime is 71955941. The next prime is 71955953. The reversal of 71955942 is 24955917.

It is a junction number, because it is equal to n+sod(n) for n = 71955894 and 71955903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71955941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32734 + ... + 34862.

It is an arithmetic number, because the mean of its divisors is an integer number (4639140).

Almost surely, 2^71955942 is an apocalyptic number.

71955942 is an abundant number, since it is smaller than the sum of its proper divisors (76496538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71955942 is a wasteful number, since it uses less digits than its factorization.

71955942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308.

The product of its digits is 113400, while the sum is 42.

The square root of 71955942 is about 8482.6848344142. The cubic root of 71955942 is about 415.9318914323.

The spelling of 71955942 in words is "seventy-one million, nine hundred fifty-five thousand, nine hundred forty-two".