73858340 has 24 divisors (see below), whose sum is σ = 155686272. Its totient is φ = 29432160.

The previous prime is 73858333. The next prime is 73858349. The reversal of 73858340 is 4385837.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 73858294 and 73858303.

It is not an unprimeable number, because it can be changed into a prime (73858349) 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, 1394 + ... + 12233.

It is an arithmetic number, because the mean of its divisors is an integer number (6486928).

Almost surely, 2^73858340 is an apocalyptic number.

It is an amenable number.

73858340 is an abundant number, since it is smaller than the sum of its proper divisors (81827932).

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

73858340 is a wasteful number, since it uses less digits than its factorization.

73858340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13907 (or 13905 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 73858340 is about 8594.0875024635. The cubic root of 73858340 is about 419.5655749969.

The spelling of 73858340 in words is "seventy-three million, eight hundred fifty-eight thousand, three hundred forty".