629609474 has 8 divisors (see below), whose sum is σ = 1017061500. Its totient is φ = 290588976.

The previous prime is 629609471. The next prime is 629609527. The reversal of 629609474 is 474906926.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 618765625 + 10843849 = 24875^2 + 3293^2 .

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 (629609471) 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, 12107849 + ... + 12107900.

Almost surely, 2^629609474 is an apocalyptic number.

629609474 is a deficient number, since it is larger than the sum of its proper divisors (387452026).

629609474 is a wasteful number, since it uses less digits than its factorization.

629609474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24215764.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 629609474 is about 25092.0201259285. The cubic root of 629609474 is about 857.0847177258.

The spelling of 629609474 in words is "six hundred twenty-nine million, six hundred nine thousand, four hundred seventy-four".