71229153 has 8 divisors (see below), whose sum is σ = 95054400. Its totient is φ = 47445008.

The previous prime is 71229149. The next prime is 71229161. The reversal of 71229153 is 35192217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71229153 - 2² = 71229149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71229153.

It is not an unprimeable number, because it can be changed into a prime (71229253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5973 + ... + 13346.

It is an arithmetic number, because the mean of its divisors is an integer number (11881800).

Almost surely, 2^71229153 is an apocalyptic number.

It is an amenable number.

71229153 is a deficient number, since it is larger than the sum of its proper divisors (23825247).

71229153 is a wasteful number, since it uses less digits than its factorization.

71229153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20551.

The product of its digits is 3780, while the sum is 30.

The square root of 71229153 is about 8439.7365480209. The cubic root of 71229153 is about 414.5267804805.

The spelling of 71229153 in words is "seventy-one million, two hundred twenty-nine thousand, one hundred fifty-three".