73681430 has 64 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 26469504.

The previous prime is 73681429. The next prime is 73681459. The reversal of 73681430 is 3418637.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330299 + ... + 330521.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^73681430 is an apocalyptic number.

73681430 is a deficient number, since it is larger than the sum of its proper divisors (73405930).

73681430 is a wasteful number, since it uses less digits than its factorization.

73681430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 73681430 is about 8583.7887905050. The cubic root of 73681430 is about 419.2303174942.

The spelling of 73681430 in words is "seventy-three million, six hundred eighty-one thousand, four hundred thirty".