73192678920 has 576 divisors, whose sum is σ = 261455688000. Its totient is φ = 18411950592.

The previous prime is 73192678879. The next prime is 73192678961. The reversal of 73192678920 is 2987629137.

It is an interprime number because it is at equal distance from previous prime (73192678879) and next prime (73192678961).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 449034759 + ... + 449034921.

It is an arithmetic number, because the mean of its divisors is an integer number (453916125).

Almost surely, 2^73192678920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73192678920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130727844000).

73192678920 is an abundant number, since it is smaller than the sum of its proper divisors (188263009080).

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

73192678920 is a wasteful number, since it uses less digits than its factorization.

73192678920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 73192678920 in words is "seventy-three billion, one hundred ninety-two million, six hundred seventy-eight thousand, nine hundred twenty".