71242976 has 96 divisors (see below), whose sum is σ = 167795712. Its totient is φ = 29145600.

The previous prime is 71242961. The next prime is 71242993. The reversal of 71242976 is 67924217.

Its product of digits (42336) is a multiple of the sum of its prime divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705326 + ... + 705426.

It is an arithmetic number, because the mean of its divisors is an integer number (1747872).

Almost surely, 2^71242976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71242976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83897856).

71242976 is an abundant number, since it is smaller than the sum of its proper divisors (96552736).

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

71242976 is a wasteful number, since it uses less digits than its factorization.

71242976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 224 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 71242976 is about 8440.5554319606. Note that the first 3 decimals coincide. The cubic root of 71242976 is about 414.5535936266.

The spelling of 71242976 in words is "seventy-one million, two hundred forty-two thousand, nine hundred seventy-six".