629770448 has 20 divisors (see below), whose sum is σ = 1229498688. Its totient is φ = 312480480.

The previous prime is 629770441. The next prime is 629770459. The reversal of 629770448 is 844077926.

It is a super-2 number, since 2×629770448² = 793221634348241408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629770441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148136 + ... + 152327.

Almost surely, 2^629770448 is an apocalyptic number.

It is an amenable number.

629770448 is a deficient number, since it is larger than the sum of its proper divisors (599728240).

629770448 is a wasteful number, since it uses less digits than its factorization.

629770448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300602 (or 300596 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 629770448 is about 25095.2275941064. The cubic root of 629770448 is about 857.1577559103.

The spelling of 629770448 in words is "six hundred twenty-nine million, seven hundred seventy thousand, four hundred forty-eight".