68403574 has 4 divisors (see below), whose sum is σ = 102605364. Its totient is φ = 34201786.

The previous prime is 68403571. The next prime is 68403589. The reversal of 68403574 is 47530486.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68403571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17100892 + ... + 17100895.

It is an arithmetic number, because the mean of its divisors is an integer number (25651341).

Almost surely, 2^68403574 is an apocalyptic number.

68403574 is a deficient number, since it is larger than the sum of its proper divisors (34201790).

68403574 is a wasteful number, since it uses less digits than its factorization.

68403574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34201789.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 68403574 is about 8270.6453194415. The cubic root of 68403574 is about 408.9713934356.

The spelling of 68403574 in words is "sixty-eight million, four hundred three thousand, five hundred seventy-four".