629752276 has 6 divisors (see below), whose sum is σ = 1102066490. Its totient is φ = 314876136.

The previous prime is 629752273. The next prime is 629752303. The reversal of 629752276 is 672257926.

It can be written as a sum of positive squares in only one way, i.e., 623700676 + 6051600 = 24974^2 + 2460^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629752273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78719031 + ... + 78719038.

Almost surely, 2^629752276 is an apocalyptic number.

It is an amenable number.

629752276 is a deficient number, since it is larger than the sum of its proper divisors (472314214).

629752276 is a wasteful number, since it uses less digits than its factorization.

629752276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157438073 (or 157438071 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The square root of 629752276 is about 25094.8655306220. The cubic root of 629752276 is about 857.1495114139.

The spelling of 629752276 in words is "six hundred twenty-nine million, seven hundred fifty-two thousand, two hundred seventy-six".