74954273 has 4 divisors (see below), whose sum is σ = 76782468. Its totient is φ = 73126080.

The previous prime is 74954251. The next prime is 74954279. The reversal of 74954273 is 37245947.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14922769 + 60031504 = 3863^2 + 7748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74954273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1828153 = 74954273 / (7 + 4 + 9 + 5 + 4 + 2 + 7 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74954273.

It is not an unprimeable number, because it can be changed into a prime (74954279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914036 + ... + 914117.

It is an arithmetic number, because the mean of its divisors is an integer number (19195617).

Almost surely, 2^74954273 is an apocalyptic number.

It is an amenable number.

74954273 is a deficient number, since it is larger than the sum of its proper divisors (1828195).

74954273 is a wasteful number, since it uses less digits than its factorization.

74954273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828194.

The product of its digits is 211680, while the sum is 41.

The square root of 74954273 is about 8657.6135857406. The cubic root of 74954273 is about 421.6306093480.

The spelling of 74954273 in words is "seventy-four million, nine hundred fifty-four thousand, two hundred seventy-three".