629045979 has 8 divisors (see below), whose sum is σ = 856573440. Its totient is φ = 410441256.

The previous prime is 629045941. The next prime is 629045981. The reversal of 629045979 is 979540926.

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

It is not a de Polignac number, because 629045979 - 2¹¹ = 629043931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (629045999) 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, 2230519 + ... + 2230800.

It is an arithmetic number, because the mean of its divisors is an integer number (107071680).

Almost surely, 2^629045979 is an apocalyptic number.

629045979 is a deficient number, since it is larger than the sum of its proper divisors (227527461).

629045979 is a wasteful number, since it uses less digits than its factorization.

629045979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461369.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 629045979 is about 25080.7890426119. The cubic root of 629045979 is about 856.8289469520.

The spelling of 629045979 in words is "six hundred twenty-nine million, forty-five thousand, nine hundred seventy-nine".