629451674 has 16 divisors (see below), whose sum is σ = 955517640. Its totient is φ = 310962240.

The previous prime is 629451637. The next prime is 629451679. The reversal of 629451674 is 476154926.

It can be written as a sum of positive squares in 4 ways, for example, as 521437225 + 108014449 = 22835^2 + 10393^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (629451679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77444 + ... + 85184.

Almost surely, 2^629451674 is an apocalyptic number.

629451674 is a deficient number, since it is larger than the sum of its proper divisors (326065966).

629451674 is a wasteful number, since it uses less digits than its factorization.

629451674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225.

The product of its digits is 362880, while the sum is 44.

The square root of 629451674 is about 25088.8755028997. The cubic root of 629451674 is about 857.0131075851.

The spelling of 629451674 in words is "six hundred twenty-nine million, four hundred fifty-one thousand, six hundred seventy-four".