71652530 has 8 divisors (see below), whose sum is σ = 128974572. Its totient is φ = 28661008.

The previous prime is 71652527. The next prime is 71652541. The reversal of 71652530 is 3525617.

It can be written as a sum of positive squares in 2 ways, for example, as 71588521 + 64009 = 8461^2 + 253^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 71652493 and 71652502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3582617 + ... + 3582636.

Almost surely, 2^71652530 is an apocalyptic number.

71652530 is a deficient number, since it is larger than the sum of its proper divisors (57322042).

71652530 is a wasteful number, since it uses less digits than its factorization.

71652530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165260.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 71652530 is about 8464.7817455620. The cubic root of 71652530 is about 415.3464567054.

The spelling of 71652530 in words is "seventy-one million, six hundred fifty-two thousand, five hundred thirty".