71270553 has 8 divisors (see below), whose sum is σ = 95121216. Its totient is φ = 47466800.

The previous prime is 71270543. The next prime is 71270567. The reversal of 71270553 is 35507217.

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 71270553 - 2⁶ = 71270489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71270553.

It is not an unprimeable number, because it can be changed into a prime (71270543) 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, 8013 + ... + 14378.

It is an arithmetic number, because the mean of its divisors is an integer number (11890152).

Almost surely, 2^71270553 is an apocalyptic number.

It is an amenable number.

71270553 is a deficient number, since it is larger than the sum of its proper divisors (23850663).

71270553 is a wasteful number, since it uses less digits than its factorization.

71270553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23455.

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

The square root of 71270553 is about 8442.1888749305. The cubic root of 71270553 is about 414.6070757163.

The spelling of 71270553 in words is "seventy-one million, two hundred seventy thousand, five hundred fifty-three".