401066674 has 8 divisors (see below), whose sum is σ = 616273308. Its totient is φ = 195642240.

The previous prime is 401066671. The next prime is 401066681. The reversal of 401066674 is 476660104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 401000625 + 66049 = 20025^2 + 257^2 .

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

It is not an unprimeable number, because it can be changed into a prime (401066671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445447 + ... + 2445610.

Almost surely, 2^401066674 is an apocalyptic number.

401066674 is a deficient number, since it is larger than the sum of its proper divisors (215206634).

401066674 is a wasteful number, since it uses less digits than its factorization.

401066674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891100.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 401066674 is about 20026.6490956425. The cubic root of 401066674 is about 737.4606618489.

The spelling of 401066674 in words is "four hundred one million, sixty-six thousand, six hundred seventy-four".