73155960 has 160 divisors (see below), whose sum is σ = 250295760. Its totient is φ = 19160064.

The previous prime is 73155959. The next prime is 73155961. The reversal of 73155960 is 6955137.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73155959) and next prime (73155961).

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 not an unprimeable number, because it can be changed into a prime (73155961) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 216912 + ... + 217248.

Almost surely, 2^73155960 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 73155960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125147880).

73155960 is an abundant number, since it is smaller than the sum of its proper divisors (177139800).

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

73155960 is a wasteful number, since it uses less digits than its factorization.

73155960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 73155960 is about 8553.1257444282. The cubic root of 73155960 is about 418.2313379520.

The spelling of 73155960 in words is "seventy-three million, one hundred fifty-five thousand, nine hundred sixty".