629900749 has 8 divisors (see below), whose sum is σ = 684442880. Its totient is φ = 577497600.

The previous prime is 629900743. The next prime is 629900783. The reversal of 629900749 is 947009926.

629900749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 629900749 - 2¹⁷ = 629769677 is a prime.

It is a super-2 number, since 2×629900749² = 793549907181522002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 629900699 and 629900708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629900743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534132 + ... + 535309.

It is an arithmetic number, because the mean of its divisors is an integer number (85555360).

Almost surely, 2^629900749 is an apocalyptic number.

It is an amenable number.

629900749 is a deficient number, since it is larger than the sum of its proper divisors (54542131).

629900749 is a wasteful number, since it uses less digits than its factorization.

629900749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069491.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 629900749 is about 25097.8235909013. The cubic root of 629900749 is about 857.2168678249.

The spelling of 629900749 in words is "six hundred twenty-nine million, nine hundred thousand, seven hundred forty-nine".