629647473 has 32 divisors (see below), whose sum is σ = 1052787456. Its totient is φ = 325847808.

The previous prime is 629647457. The next prime is 629647477. The reversal of 629647473 is 374746926.

It is not a de Polignac number, because 629647473 - 2⁴ = 629647457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (629647477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7290 + ... + 36227.

It is an arithmetic number, because the mean of its divisors is an integer number (32899608).

Almost surely, 2^629647473 is an apocalyptic number.

It is an amenable number.

629647473 is a deficient number, since it is larger than the sum of its proper divisors (423139983).

629647473 is a wasteful number, since it uses less digits than its factorization.

629647473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43593.

The product of its digits is 1524096, while the sum is 48.

The square root of 629647473 is about 25092.7773074245. Note that the first 3 decimals coincide. The cubic root of 629647473 is about 857.1019600050.

The spelling of 629647473 in words is "six hundred twenty-nine million, six hundred forty-seven thousand, four hundred seventy-three".