670539982 has 64 divisors (see below), whose sum is σ = 1257984000. Its totient is φ = 261584640.

The previous prime is 670539977. The next prime is 670539983. The reversal of 670539982 is 289935076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670539983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1921144 + ... + 1921492.

It is an arithmetic number, because the mean of its divisors is an integer number (19656000).

Almost surely, 2^670539982 is an apocalyptic number.

670539982 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

670539982 is a deficient number, since it is larger than the sum of its proper divisors (587444018).

670539982 is a wasteful number, since it uses less digits than its factorization.

670539982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 670539982 is about 25894.7867726305. The cubic root of 670539982 is about 875.2690250873.

The spelling of 670539982 in words is "six hundred seventy million, five hundred thirty-nine thousand, nine hundred eighty-two".