71425380 has 48 divisors (see below), whose sum is σ = 215377344. Its totient is φ = 17581440.

The previous prime is 71425331. The next prime is 71425433. The reversal of 71425380 is 8352417.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 45006 + ... + 46565.

It is an arithmetic number, because the mean of its divisors is an integer number (4487028).

Almost surely, 2^71425380 is an apocalyptic number.

It is an amenable number.

71425380 is an abundant number, since it is smaller than the sum of its proper divisors (143951964).

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

71425380 is a wasteful number, since it uses less digits than its factorization.

71425380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91596 (or 91594 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 71425380 is about 8451.3537377156. The cubic root of 71425380 is about 414.9070871495.

Adding to 71425380 its reverse (8352417), we get a palindrome (79777797).

The spelling of 71425380 in words is "seventy-one million, four hundred twenty-five thousand, three hundred eighty".