82210738 has 8 divisors (see below), whose sum is σ = 125642988. Its totient is φ = 40329744.

The previous prime is 82210727. The next prime is 82210757. The reversal of 82210738 is 83701228.

It can be written as a sum of positive squares in 2 ways, for example, as 80407089 + 1803649 = 8967^2 + 1343^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387681 + ... + 387892.

Almost surely, 2^82210738 is an apocalyptic number.

82210738 is a deficient number, since it is larger than the sum of its proper divisors (43432250).

82210738 is a wasteful number, since it uses less digits than its factorization.

82210738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775628.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 82210738 is about 9067.0137311024. The cubic root of 82210738 is about 434.8200039207.

The spelling of 82210738 in words is "eighty-two million, two hundred ten thousand, seven hundred thirty-eight".