71520348 has 24 divisors (see below), whose sum is σ = 172264960. Its totient is φ = 23070960.

The previous prime is 71520341. The next prime is 71520391. The reversal of 71520348 is 84302517.

It is a super-2 number, since 2×71520348² = 10230320356082208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71520341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95758 + ... + 96501.

Almost surely, 2^71520348 is an apocalyptic number.

It is an amenable number.

71520348 is an abundant number, since it is smaller than the sum of its proper divisors (100744612).

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

71520348 is a wasteful number, since it uses less digits than its factorization.

71520348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192297 (or 192295 counting only the distinct ones).

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

The square root of 71520348 is about 8456.9703795153. The cubic root of 71520348 is about 415.0908941083.

The spelling of 71520348 in words is "seventy-one million, five hundred twenty thousand, three hundred forty-eight".