71435448 has 96 divisors (see below), whose sum is σ = 226568160. Its totient is φ = 19906560.

The previous prime is 71435431. The next prime is 71435473. The reversal of 71435448 is 84453417.

71435448 is a `hidden beast` number, since 71 + 43 + 544 + 8 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18936 + ... + 22392.

It is an arithmetic number, because the mean of its divisors is an integer number (2360085).

Almost surely, 2^71435448 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 71435448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113284080).

71435448 is an abundant number, since it is smaller than the sum of its proper divisors (155132712).

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

71435448 is a wasteful number, since it uses less digits than its factorization.

71435448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517 (or 3510 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 71435448 is about 8451.9493609463. The cubic root of 71435448 is about 414.9265810992.

The spelling of 71435448 in words is "seventy-one million, four hundred thirty-five thousand, four hundred forty-eight".