71494656 has 132 divisors (see below), whose sum is σ = 207369288. Its totient is φ = 21823488.

The previous prime is 71494651. The next prime is 71494697. The reversal of 71494656 is 65649417.

It is a super-2 number, since 2×71494656² = 10222971673116672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71494651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1932270 + ... + 1932306.

Almost surely, 2^71494656 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 71494656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103684644).

71494656 is an abundant number, since it is smaller than the sum of its proper divisors (135874632).

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

71494656 is a wasteful number, since it uses less digits than its factorization.

71494656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 59 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 71494656 is about 8455.4512593947. The cubic root of 71494656 is about 415.0411842807.

The spelling of 71494656 in words is "seventy-one million, four hundred ninety-four thousand, six hundred fifty-six".