68748590 has 32 divisors (see below), whose sum is σ = 128931264. Its totient is φ = 26369280.

The previous prime is 68748583. The next prime is 68748611. The reversal of 68748590 is 9584786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24962 + ... + 27578.

It is an arithmetic number, because the mean of its divisors is an integer number (4029102).

Almost surely, 2^68748590 is an apocalyptic number.

68748590 is a deficient number, since it is larger than the sum of its proper divisors (60182674).

68748590 is a wasteful number, since it uses less digits than its factorization.

68748590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 68748590 is about 8291.4769492534. The cubic root of 68748590 is about 409.6578346921.

The spelling of 68748590 in words is "sixty-eight million, seven hundred forty-eight thousand, five hundred ninety".