73975855 has 4 divisors (see below), whose sum is σ = 88771032. Its totient is φ = 59180680.

The previous prime is 73975819. The next prime is 73975861. The reversal of 73975855 is 55857937.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73975855 - 2¹⁷ = 73844783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73975799 and 73975808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7397581 + ... + 7397590.

It is an arithmetic number, because the mean of its divisors is an integer number (22192758).

Almost surely, 2^73975855 is an apocalyptic number.

73975855 is a deficient number, since it is larger than the sum of its proper divisors (14795177).

73975855 is a wasteful number, since it uses less digits than its factorization.

73975855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14795176.

The product of its digits is 1323000, while the sum is 49.

The square root of 73975855 is about 8600.9217529286. The cubic root of 73975855 is about 419.7879787769.

The spelling of 73975855 in words is "seventy-three million, nine hundred seventy-five thousand, eight hundred fifty-five".