374721066 has 24 divisors (see below), whose sum is σ = 841966944. Its totient is φ = 124906860.

The previous prime is 374721047. The next prime is 374721071. The reversal of 374721066 is 660127473.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 374721066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385030 + ... + 386001.

It is an arithmetic number, because the mean of its divisors is an integer number (35081956).

Almost surely, 2^374721066 is an apocalyptic number.

374721066 is an abundant number, since it is smaller than the sum of its proper divisors (467245878).

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

374721066 is an equidigital number, since it uses as much as digits as its factorization.

374721066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771048 (or 771036 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 374721066 is about 19357.7133463640. The cubic root of 374721066 is about 720.9459441636.

The spelling of 374721066 in words is "three hundred seventy-four million, seven hundred twenty-one thousand, sixty-six".