71429452 has 12 divisors (see below), whose sum is σ = 125526240. Its totient is φ = 35564816.

The previous prime is 71429443. The next prime is 71429489. The reversal of 71429452 is 25492417.

It is a super-3 number, since 3×71429452³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36403 + ... + 38314.

It is an arithmetic number, because the mean of its divisors is an integer number (10460520).

Almost surely, 2^71429452 is an apocalyptic number.

It is an amenable number.

71429452 is a deficient number, since it is larger than the sum of its proper divisors (54096788).

71429452 is a wasteful number, since it uses less digits than its factorization.

71429452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74960 (or 74958 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 71429452 is about 8451.5946424329. The cubic root of 71429452 is about 414.9149716930.

The spelling of 71429452 in words is "seventy-one million, four hundred twenty-nine thousand, four hundred fifty-two".