71947034 has 32 divisors (see below), whose sum is σ = 116424000. Its totient is φ = 33246720.

The previous prime is 71947033. The next prime is 71947037. The reversal of 71947034 is 43074917.

It is a junction number, because it is equal to n+sod(n) for n = 71946985 and 71947003.

It is not an unprimeable number, because it can be changed into a prime (71947033) 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, 482792 + ... + 482940.

It is an arithmetic number, because the mean of its divisors is an integer number (3638250).

Almost surely, 2^71947034 is an apocalyptic number.

71947034 is a deficient number, since it is larger than the sum of its proper divisors (44476966).

71947034 is a wasteful number, since it uses less digits than its factorization.

71947034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 71947034 is about 8482.1597485546. The cubic root of 71947034 is about 415.9147268818.

The spelling of 71947034 in words is "seventy-one million, nine hundred forty-seven thousand, thirty-four".