624278049 has 8 divisors (see below), whose sum is σ = 832777920. Its totient is φ = 415981776.

The previous prime is 624278047. The next prime is 624278059. The reversal of 624278049 is 940872426.

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

It is not a de Polignac number, because 624278049 - 2¹ = 624278047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 624278049.

It is not an unprimeable number, because it can be changed into a prime (624278047) 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, 43594 + ... + 56115.

It is an arithmetic number, because the mean of its divisors is an integer number (104097240).

Almost surely, 2^624278049 is an apocalyptic number.

It is an amenable number.

624278049 is a deficient number, since it is larger than the sum of its proper divisors (208499871).

624278049 is a wasteful number, since it uses less digits than its factorization.

624278049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101799.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 624278049 is about 24985.5568078840. The cubic root of 624278049 is about 854.6586414744.

The spelling of 624278049 in words is "six hundred twenty-four million, two hundred seventy-eight thousand, forty-nine".