74646273 has 8 divisors (see below), whose sum is σ = 107184448. Its totient is φ = 45936144.

The previous prime is 74646251. The next prime is 74646283. The reversal of 74646273 is 37264647.

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

It is not a de Polignac number, because 74646273 - 2¹⁷ = 74515201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1914007 = 74646273 / (7 + 4 + 6 + 4 + 6 + 2 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74646283) 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, 956965 + ... + 957042.

It is an arithmetic number, because the mean of its divisors is an integer number (13398056).

Almost surely, 2^74646273 is an apocalyptic number.

It is an amenable number.

74646273 is a deficient number, since it is larger than the sum of its proper divisors (32538175).

74646273 is a wasteful number, since it uses less digits than its factorization.

74646273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914023.

The product of its digits is 169344, while the sum is 39.

The square root of 74646273 is about 8639.8074631325. The cubic root of 74646273 is about 421.0522989326.

The spelling of 74646273 in words is "seventy-four million, six hundred forty-six thousand, two hundred seventy-three".