71579025 has 48 divisors (see below), whose sum is σ = 150288000. Its totient is φ = 32719680.

The previous prime is 71578999. The next prime is 71579033. The reversal of 71579025 is 52097517.

It is not a de Polignac number, because 71579025 - 2⁸ = 71578769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2850 + ... + 12299.

It is an arithmetic number, because the mean of its divisors is an integer number (3131000).

Almost surely, 2^71579025 is an apocalyptic number.

71579025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71579025 is an abundant number, since it is smaller than the sum of its proper divisors (78708975).

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

71579025 is a wasteful number, since it uses less digits than its factorization.

71579025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15175 (or 15164 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 71579025 is about 8460.4388184065. The cubic root of 71579025 is about 415.2043799030.

The spelling of 71579025 in words is "seventy-one million, five hundred seventy-nine thousand, twenty-five".