71537053 has 8 divisors (see below), whose sum is σ = 82062720. Its totient is φ = 61087920.

The previous prime is 71537041. The next prime is 71537069. The reversal of 71537053 is 35073517.

It is a happy number.

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 71537053 - 2⁹ = 71536541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71517053) 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, 17113 + ... + 20878.

It is an arithmetic number, because the mean of its divisors is an integer number (10257840).

Almost surely, 2^71537053 is an apocalyptic number.

It is an amenable number.

71537053 is a deficient number, since it is larger than the sum of its proper divisors (10525667).

71537053 is a wasteful number, since it uses less digits than its factorization.

71537053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38267.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 71537053 is about 8457.9579686825. The cubic root of 71537053 is about 415.1232091710.

The spelling of 71537053 in words is "seventy-one million, five hundred thirty-seven thousand, fifty-three".