71862745 has 8 divisors (see below), whose sum is σ = 87327360. Its totient is φ = 56762160.

The previous prime is 71862737. The next prime is 71862773. The reversal of 71862745 is 54726817.

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

It is not a de Polignac number, because 71862745 - 2³ = 71862737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71862698 and 71862707.

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 7 ways as a sum of consecutive naturals, for example, 90571 + ... + 91360.

It is an arithmetic number, because the mean of its divisors is an integer number (10915920).

Almost surely, 2^71862745 is an apocalyptic number.

It is an amenable number.

71862745 is a deficient number, since it is larger than the sum of its proper divisors (15464615).

71862745 is a wasteful number, since it uses less digits than its factorization.

71862745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182015.

The product of its digits is 94080, while the sum is 40.

The square root of 71862745 is about 8477.1896876264. The cubic root of 71862745 is about 415.7522428356.

The spelling of 71862745 in words is "seventy-one million, eight hundred sixty-two thousand, seven hundred forty-five".