606721674 has 16 divisors (see below), whose sum is σ = 1306785312. Its totient is φ = 186683568.

The previous prime is 606721667. The next prime is 606721681. The reversal of 606721674 is 476127606.

It is an interprime number because it is at equal distance from previous prime (606721667) and next prime (606721681).

It is a super-2 number, since 2×606721674² = 736222379402724552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3889164 + ... + 3889319.

It is an arithmetic number, because the mean of its divisors is an integer number (81674082).

Almost surely, 2^606721674 is an apocalyptic number.

606721674 is an abundant number, since it is smaller than the sum of its proper divisors (700063638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

606721674 is a wasteful number, since it uses less digits than its factorization.

606721674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778501.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 606721674 is about 24631.7208899419. The cubic root of 606721674 is about 846.5705762016.

The spelling of 606721674 in words is "six hundred six million, seven hundred twenty-one thousand, six hundred seventy-four".