71519052 has 48 divisors (see below), whose sum is σ = 189971712. Its totient is φ = 20729280.

The previous prime is 71519003. The next prime is 71519053. The reversal of 71519052 is 25091517.

It is a super-2 number, since 2×71519052² = 10229949597957408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71519053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8743 + ... + 14814.

It is an arithmetic number, because the mean of its divisors is an integer number (3957744).

Almost surely, 2^71519052 is an apocalyptic number.

It is an amenable number.

71519052 is an abundant number, since it is smaller than the sum of its proper divisors (118452660).

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

71519052 is a wasteful number, since it uses less digits than its factorization.

71519052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23598 (or 23596 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 71519052 is about 8456.8937559839. The cubic root of 71519052 is about 415.0883868449.

The spelling of 71519052 in words is "seventy-one million, five hundred nineteen thousand, fifty-two".