71625471 has 12 divisors (see below), whose sum is σ = 101449992. Its totient is φ = 44940928.

The previous prime is 71625461. The next prime is 71625481. The reversal of 71625471 is 17452617.

It is an interprime number because it is at equal distance from previous prime (71625461) and next prime (71625481).

It is not a de Polignac number, because 71625471 - 2¹⁷ = 71494399 is a prime.

It is a super-3 number, since 3×71625471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71625461) 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, 40440 + ... + 42173.

It is an arithmetic number, because the mean of its divisors is an integer number (8454166).

Almost surely, 2^71625471 is an apocalyptic number.

71625471 is a deficient number, since it is larger than the sum of its proper divisors (29824521).

71625471 is a wasteful number, since it uses less digits than its factorization.

71625471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82650 (or 82633 counting only the distinct ones).

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

The square root of 71625471 is about 8463.1832663602. The cubic root of 71625471 is about 415.2941660427.

The spelling of 71625471 in words is "seventy-one million, six hundred twenty-five thousand, four hundred seventy-one".