73478375 has 8 divisors (see below), whose sum is σ = 91701168. Its totient is φ = 58782600.

The previous prime is 73478371. The next prime is 73478387. The reversal of 73478375 is 57387437.

It is not a de Polignac number, because 73478375 - 2² = 73478371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73478371) 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, 293789 + ... + 294038.

It is an arithmetic number, because the mean of its divisors is an integer number (11462646).

Almost surely, 2^73478375 is an apocalyptic number.

73478375 is a deficient number, since it is larger than the sum of its proper divisors (18222793).

73478375 is an equidigital number, since it uses as much as digits as its factorization.

73478375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587842 (or 587832 counting only the distinct ones).

The product of its digits is 493920, while the sum is 44.

The square root of 73478375 is about 8571.9528113493. The cubic root of 73478375 is about 418.8448511653.

The spelling of 73478375 in words is "seventy-three million, four hundred seventy-eight thousand, three hundred seventy-five".