71073825 has 12 divisors (see below), whose sum is σ = 117508848. Its totient is φ = 37906000.

The previous prime is 71073817. The next prime is 71073829. The reversal of 71073825 is 52837017.

It is not a de Polignac number, because 71073825 - 2³ = 71073817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71073829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473751 + ... + 473900.

It is an arithmetic number, because the mean of its divisors is an integer number (9792404).

Almost surely, 2^71073825 is an apocalyptic number.

71073825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71073825 is a deficient number, since it is larger than the sum of its proper divisors (46435023).

71073825 is a wasteful number, since it uses less digits than its factorization.

71073825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947664 (or 947659 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 71073825 is about 8430.5293428112. The cubic root of 71073825 is about 414.2252444157.

The spelling of 71073825 in words is "seventy-one million, seventy-three thousand, eight hundred twenty-five".