624747042 has 48 divisors (see below), whose sum is σ = 1435460832. Its totient is φ = 195696000.

The previous prime is 624747031. The next prime is 624747049. The reversal of 624747042 is 240747426.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 624746988 and 624747006.

It is not an unprimeable number, because it can be changed into a prime (624747049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276417 + ... + 278667.

It is an arithmetic number, because the mean of its divisors is an integer number (29905434).

Almost surely, 2^624747042 is an apocalyptic number.

624747042 is an abundant number, since it is smaller than the sum of its proper divisors (810713790).

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

624747042 is a wasteful number, since it uses less digits than its factorization.

624747042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 624747042 is about 24994.9403279944. The cubic root of 624747042 is about 854.8726105478.

The spelling of 624747042 in words is "six hundred twenty-four million, seven hundred forty-seven thousand, forty-two".