73685381000 has 128 divisors (see below), whose sum is σ = 214970146560. Its totient is φ = 22966848000.

The previous prime is 73685380931. The next prime is 73685381023. The reversal of 73685381000 is 18358637.

It is a super-2 number, since 2×73685381000² (a number of 23 digits) contains 22 as substring.

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, 401477 + ... + 555476.

It is an arithmetic number, because the mean of its divisors is an integer number (1679454270).

Almost surely, 2^73685381000 is an apocalyptic number.

73685381000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73685381000 is an abundant number, since it is smaller than the sum of its proper divisors (141284765560).

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

73685381000 is a wasteful number, since it uses less digits than its factorization.

73685381000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956992 (or 956978 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 73685381000 in words is "seventy-three billion, six hundred eighty-five million, three hundred eighty-one thousand".