73426668 has 24 divisors (see below), whose sum is σ = 195804672. Its totient is φ = 20979024.

The previous prime is 73426627. The next prime is 73426669. The reversal of 73426668 is 86662437.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (73426669) 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, 436980 + ... + 437147.

It is an arithmetic number, because the mean of its divisors is an integer number (8158528).

Almost surely, 2^73426668 is an apocalyptic number.

It is an amenable number.

73426668 is an abundant number, since it is smaller than the sum of its proper divisors (122378004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73426668 is a wasteful number, since it uses less digits than its factorization.

73426668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874141 (or 874139 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 73426668 is about 8568.9362233593. The cubic root of 73426668 is about 418.7465805617.

The spelling of 73426668 in words is "seventy-three million, four hundred twenty-six thousand, six hundred sixty-eight".