73276920 has 128 divisors (see below), whose sum is σ = 257184000. Its totient is φ = 18506880.

The previous prime is 73276897. The next prime is 73276933. The reversal of 73276920 is 2967237.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 18735 + ... + 22305.

It is an arithmetic number, because the mean of its divisors is an integer number (2009250).

Almost surely, 2^73276920 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 73276920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128592000).

73276920 is an abundant number, since it is smaller than the sum of its proper divisors (183907080).

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

73276920 is a wasteful number, since it uses less digits than its factorization.

73276920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 73276920 is about 8560.1939230370. The cubic root of 73276920 is about 418.4617197550.

The spelling of 73276920 in words is "seventy-three million, two hundred seventy-six thousand, nine hundred twenty".