73684452730 has 32 divisors (see below), whose sum is σ = 156469109760. Its totient is φ = 24448296960.

The previous prime is 73684452679. The next prime is 73684452749. The reversal of 73684452730 is 3725448637.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16975815 + ... + 16980154.

It is an arithmetic number, because the mean of its divisors is an integer number (4889659680).

Almost surely, 2^73684452730 is an apocalyptic number.

73684452730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73684452730 is an abundant number, since it is smaller than the sum of its proper divisors (82784657030).

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

73684452730 is a wasteful number, since it uses less digits than its factorization.

73684452730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33956014.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 73684452730 in words is "seventy-three billion, six hundred eighty-four million, four hundred fifty-two thousand, seven hundred thirty".