82611970 has 16 divisors (see below), whose sum is σ = 169944768. Its totient is φ = 28324080.

The previous prime is 82611967. The next prime is 82611989. The reversal of 82611970 is 7911628.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590016 + ... + 590155.

It is an arithmetic number, because the mean of its divisors is an integer number (10621548).

Almost surely, 2^82611970 is an apocalyptic number.

82611970 is an abundant number, since it is smaller than the sum of its proper divisors (87332798).

82611970 is a wasteful number, since it uses less digits than its factorization.

82611970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180185.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 82611970 is about 9089.1127179720. The cubic root of 82611970 is about 435.5262402997.

The spelling of 82611970 in words is "eighty-two million, six hundred eleven thousand, nine hundred seventy".