71940106 has 16 divisors (see below), whose sum is σ = 125349120. Its totient is φ = 30325680.

The previous prime is 71940101. The next prime is 71940139. The reversal of 71940106 is 60104917.

It is not an unprimeable number, because it can be changed into a prime (71940101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41266 + ... + 42973.

It is an arithmetic number, because the mean of its divisors is an integer number (7834320).

Almost surely, 2^71940106 is an apocalyptic number.

71940106 is a deficient number, since it is larger than the sum of its proper divisors (53409014).

71940106 is a wasteful number, since it uses less digits than its factorization.

71940106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84309.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 71940106 is about 8481.7513521678. The cubic root of 71940106 is about 415.9013765528.

The spelling of 71940106 in words is "seventy-one million, nine hundred forty thousand, one hundred six".