629750906 has 4 divisors (see below), whose sum is σ = 944626362. Its totient is φ = 314875452.

The previous prime is 629750897. The next prime is 629750911. The reversal of 629750906 is 609057926.

629750906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 572884225 + 56866681 = 23935^2 + 7541^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157437725 + ... + 157437728.

Almost surely, 2^629750906 is an apocalyptic number.

629750906 is a deficient number, since it is larger than the sum of its proper divisors (314875456).

629750906 is a wasteful number, since it uses less digits than its factorization.

629750906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314875455.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 629750906 is about 25094.8382341867. The cubic root of 629750906 is about 857.1488898491.

The spelling of 629750906 in words is "six hundred twenty-nine million, seven hundred fifty thousand, nine hundred six".