71428294 has 16 divisors (see below), whose sum is σ = 127772928. Its totient is φ = 29281032.

The previous prime is 71428243. The next prime is 71428319. The reversal of 71428294 is 49282417.

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 7 ways as a sum of consecutive naturals, for example, 110592 + ... + 111235.

It is an arithmetic number, because the mean of its divisors is an integer number (7985808).

Almost surely, 2^71428294 is an apocalyptic number.

71428294 is a deficient number, since it is larger than the sum of its proper divisors (56344634).

71428294 is a wasteful number, since it uses less digits than its factorization.

71428294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221859.

The product of its digits is 32256, while the sum is 37.

The square root of 71428294 is about 8451.5261343736. The cubic root of 71428294 is about 414.9127295081.

The spelling of 71428294 in words is "seventy-one million, four hundred twenty-eight thousand, two hundred ninety-four".