74456623 has 6 divisors (see below), whose sum is σ = 75022976. Its totient is φ = 73894512.

The previous prime is 74456621. The next prime is 74456633. The reversal of 74456623 is 32665447.

It is not a de Polignac number, because 74456623 - 2¹ = 74456621 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 (74456621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16786 + ... + 20752.

Almost surely, 2^74456623 is an apocalyptic number.

74456623 is a deficient number, since it is larger than the sum of its proper divisors (566353).

74456623 is an equidigital number, since it uses as much as digits as its factorization.

74456623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241 (or 4104 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 74456623 is about 8628.8251228079. The cubic root of 74456623 is about 420.6954144484.

The spelling of 74456623 in words is "seventy-four million, four hundred fifty-six thousand, six hundred twenty-three".