629706272 has 24 divisors (see below), whose sum is σ = 1335099276. Its totient is φ = 290633472.

The previous prime is 629706263. The next prime is 629706281. The reversal of 629706272 is 272607926.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (629706263) and next prime (629706281).

It can be written as a sum of positive squares in 2 ways, for example, as 539911696 + 89794576 = 23236^2 + 9476^2 .

It is a super-2 number, since 2×629706272² = 793059977992275968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756443 + ... + 757274.

Almost surely, 2^629706272 is an apocalyptic number.

It is an amenable number.

629706272 is an abundant number, since it is smaller than the sum of its proper divisors (705393004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629706272 is a wasteful number, since it uses less digits than its factorization.

629706272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513740 (or 1513732 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 629706272 is about 25093.9489120385. The cubic root of 629706272 is about 857.1286390446.

The spelling of 629706272 in words is "six hundred twenty-nine million, seven hundred six thousand, two hundred seventy-two".