629240742 has 72 divisors (see below), whose sum is σ = 1500939648. Its totient is φ = 190382400.

The previous prime is 629240741. The next prime is 629240743. The reversal of 629240742 is 247042926.

629240742 is a `hidden beast` number, since 629 + 24 + 0 + 7 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (629240741) and next prime (629240743).

It is a super-2 number, since 2×629240742² = 791887822785421128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 629240697 and 629240706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629240741) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 183867 + ... + 187257.

It is an arithmetic number, because the mean of its divisors is an integer number (20846384).

Almost surely, 2^629240742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629240742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750469824).

629240742 is an abundant number, since it is smaller than the sum of its proper divisors (871698906).

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

629240742 is a wasteful number, since it uses less digits than its factorization.

629240742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486 (or 3470 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 629240742 is about 25084.6714548945. The cubic root of 629240742 is about 856.9173672805.

The spelling of 629240742 in words is "six hundred twenty-nine million, two hundred forty thousand, seven hundred forty-two".