71425344 has 56 divisors (see below), whose sum is σ = 192572640. Its totient is φ = 23355904.

The previous prime is 71425331. The next prime is 71425433. The reversal of 71425344 is 44352417.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct 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, 6667 + ... + 13685.

Almost surely, 2^71425344 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 71425344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96286320).

71425344 is an abundant number, since it is smaller than the sum of its proper divisors (121147296).

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

71425344 is a wasteful number, since it uses less digits than its factorization.

71425344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087 (or 7077 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 71425344 is about 8451.3516078791. The cubic root of 71425344 is about 414.9070174420.

The spelling of 71425344 in words is "seventy-one million, four hundred twenty-five thousand, three hundred forty-four".