73830356 has 6 divisors (see below), whose sum is σ = 129203130. Its totient is φ = 36915176.

The previous prime is 73830353. The next prime is 73830359. The reversal of 73830356 is 65303837.

It is an interprime number because it is at equal distance from previous prime (73830353) and next prime (73830359).

It can be written as a sum of positive squares in only one way, i.e., 53436100 + 20394256 = 7310^2 + 4516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73830353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9228791 + ... + 9228798.

It is an arithmetic number, because the mean of its divisors is an integer number (21533855).

Almost surely, 2^73830356 is an apocalyptic number.

It is an amenable number.

73830356 is a deficient number, since it is larger than the sum of its proper divisors (55372774).

73830356 is a wasteful number, since it uses less digits than its factorization.

73830356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18457593 (or 18457591 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 73830356 is about 8592.4592521583. The cubic root of 73830356 is about 419.5125789227.

The spelling of 73830356 in words is "seventy-three million, eight hundred thirty thousand, three hundred fifty-six".