71076448 has 48 divisors (see below), whose sum is σ = 145877760. Its totient is φ = 34048000.

The previous prime is 71076431. The next prime is 71076461. The reversal of 71076448 is 84467017.

It is a super-2 number, since 2×71076448² = 10103722920593408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177048 + ... + 177448.

It is an arithmetic number, because the mean of its divisors is an integer number (3039120).

Almost surely, 2^71076448 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 71076448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72938880).

71076448 is an abundant number, since it is smaller than the sum of its proper divisors (74801312).

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

71076448 is a wasteful number, since it uses less digits than its factorization.

71076448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 71076448 is about 8430.6849069337. The cubic root of 71076448 is about 414.2303400537.

The spelling of 71076448 in words is "seventy-one million, seventy-six thousand, four hundred forty-eight".