71652953 has 4 divisors (see below), whose sum is σ = 73400628. Its totient is φ = 69905280.

The previous prime is 71652941. The next prime is 71652989. The reversal of 71652953 is 35925617.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15147664 + 56505289 = 3892^2 + 7517^2 .

It is a cyclic number.

It is not a de Polignac number, because 71652953 - 2⁸ = 71652697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71652923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873776 + ... + 873857.

It is an arithmetic number, because the mean of its divisors is an integer number (18350157).

Almost surely, 2^71652953 is an apocalyptic number.

It is an amenable number.

71652953 is a deficient number, since it is larger than the sum of its proper divisors (1747675).

71652953 is a wasteful number, since it uses less digits than its factorization.

71652953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747674.

The product of its digits is 56700, while the sum is 38.

The square root of 71652953 is about 8464.8067314027. The cubic root of 71652953 is about 415.3472740350.

The spelling of 71652953 in words is "seventy-one million, six hundred fifty-two thousand, nine hundred fifty-three".