73255987 has 8 divisors (see below), whose sum is σ = 83786336. Its totient is φ = 62741952.

The previous prime is 73255981. The next prime is 73256003. The reversal of 73255987 is 78955237.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73255987 - 2⁷ = 73255859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73255981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7903 + ... + 14455.

It is an arithmetic number, because the mean of its divisors is an integer number (10473292).

Almost surely, 2^73255987 is an apocalyptic number.

73255987 is a deficient number, since it is larger than the sum of its proper divisors (10530349).

73255987 is a wasteful number, since it uses less digits than its factorization.

73255987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157.

The product of its digits is 529200, while the sum is 46.

The square root of 73255987 is about 8558.9711414398. The cubic root of 73255987 is about 418.4218686739.

The spelling of 73255987 in words is "seventy-three million, two hundred fifty-five thousand, nine hundred eighty-seven".