629850073 has 4 divisors (see below), whose sum is σ = 632600740. Its totient is φ = 627099408.

The previous prime is 629850037. The next prime is 629850083. The reversal of 629850073 is 370058926.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243609664 + 386240409 = 15608^2 + 19653^2 .

It is a cyclic number.

It is not a de Polignac number, because 629850073 - 2²¹ = 627752921 is a prime.

It is a super-2 number, since 2×629850073² = 793422228916210658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629850083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374990 + ... + 1375447.

It is an arithmetic number, because the mean of its divisors is an integer number (158150185).

Almost surely, 2^629850073 is an apocalyptic number.

It is an amenable number.

629850073 is a deficient number, since it is larger than the sum of its proper divisors (2750667).

629850073 is a wasteful number, since it uses less digits than its factorization.

629850073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750666.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 629850073 is about 25096.8140009843. The cubic root of 629850073 is about 857.1938792895.

The spelling of 629850073 in words is "six hundred twenty-nine million, eight hundred fifty thousand, seventy-three".