71469552 has 160 divisors (see below), whose sum is σ = 234699264. Its totient is φ = 18201600.

The previous prime is 71469551. The next prime is 71469553. The reversal of 71469552 is 25596417.

It is an interprime number because it is at equal distance from previous prime (71469551) and next prime (71469553).

It is a self number, because there is not a number n which added to its sum of digits gives 71469552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71469551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225298 + ... + 225614.

Almost surely, 2^71469552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71469552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117349632).

71469552 is an abundant number, since it is smaller than the sum of its proper divisors (163229712).

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

71469552 is a wasteful number, since it uses less digits than its factorization.

71469552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 401 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 71469552 is about 8453.9666429434. The cubic root of 71469552 is about 414.9926006326.

The spelling of 71469552 in words is "seventy-one million, four hundred sixty-nine thousand, five hundred fifty-two".