71073525 has 12 divisors (see below), whose sum is σ = 117508352. Its totient is φ = 37905840.

The previous prime is 71073523. The next prime is 71073631. The reversal of 71073525 is 52537017.

It is not a de Polignac number, because 71073525 - 2¹ = 71073523 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71073492 and 71073501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71073521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473749 + ... + 473898.

Almost surely, 2^71073525 is an apocalyptic number.

71073525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71073525 is a deficient number, since it is larger than the sum of its proper divisors (46434827).

71073525 is a wasteful number, since it uses less digits than its factorization.

71073525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947660 (or 947655 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 71073525 is about 8430.5115503153. The cubic root of 71073525 is about 414.2246616051.

The spelling of 71073525 in words is "seventy-one million, seventy-three thousand, five hundred twenty-five".