623730004 has 6 divisors (see below), whose sum is σ = 1091527514. Its totient is φ = 311865000.

The previous prime is 623729971. The next prime is 623730061. The reversal of 623730004 is 400037326.

623730004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 434722500 + 189007504 = 20850^2 + 13748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77966247 + ... + 77966254.

Almost surely, 2^623730004 is an apocalyptic number.

It is an amenable number.

623730004 is a deficient number, since it is larger than the sum of its proper divisors (467797510).

623730004 is a wasteful number, since it uses less digits than its factorization.

623730004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155932505 (or 155932503 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 623730004 is about 24974.5871637551. The cubic root of 623730004 is about 854.4084706157.

The spelling of 623730004 in words is "six hundred twenty-three million, seven hundred thirty thousand, four".