68624450 has 48 divisors (see below), whose sum is σ = 131134464. Its totient is φ = 26712000.

The previous prime is 68624443. The next prime is 68624503. The reversal of 68624450 is 5442686.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68624450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 540287 + ... + 540413.

It is an arithmetic number, because the mean of its divisors is an integer number (2731968).

Almost surely, 2^68624450 is an apocalyptic number.

68624450 is a deficient number, since it is larger than the sum of its proper divisors (62510014).

68624450 is a wasteful number, since it uses less digits than its factorization.

68624450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 68624450 is about 8283.9875663837. The cubic root of 68624450 is about 409.4111117456.

The spelling of 68624450 in words is "sixty-eight million, six hundred twenty-four thousand, four hundred fifty".