71500270 has 8 divisors (see below), whose sum is σ = 128700504. Its totient is φ = 28600104.

The previous prime is 71500259. The next prime is 71500309. The reversal of 71500270 is 7200517.

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

It is a super-2 number, since 2×71500270² = 10224577220145800, which contains 22 as substring.

It is a congruent number.

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, 3575004 + ... + 3575023.

It is an arithmetic number, because the mean of its divisors is an integer number (16087563).

Almost surely, 2^71500270 is an apocalyptic number.

71500270 is a deficient number, since it is larger than the sum of its proper divisors (57200234).

71500270 is a wasteful number, since it uses less digits than its factorization.

71500270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150034.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 71500270 is about 8455.7832280635. The cubic root of 71500270 is about 415.0520474713.

Adding to 71500270 its reverse (7200517), we get a palindrome (78700787).

The spelling of 71500270 in words is "seventy-one million, five hundred thousand, two hundred seventy".