71616954 has 16 divisors (see below), whose sum is σ = 151659648. Its totient is φ = 22468032.

The previous prime is 71616907. The next prime is 71616959. The reversal of 71616954 is 45961617.

It is not an unprimeable number, because it can be changed into a prime (71616959) 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, 350962 + ... + 351165.

It is an arithmetic number, because the mean of its divisors is an integer number (9478728).

Almost surely, 2^71616954 is an apocalyptic number.

71616954 is an abundant number, since it is smaller than the sum of its proper divisors (80042694).

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

71616954 is a wasteful number, since it uses less digits than its factorization.

71616954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702149.

The product of its digits is 45360, while the sum is 39.

The square root of 71616954 is about 8462.6800719394. The cubic root of 71616954 is about 415.2777044844.

The spelling of 71616954 in words is "seventy-one million, six hundred sixteen thousand, nine hundred fifty-four".