74736623 has 8 divisors (see below), whose sum is σ = 82357968. Its totient is φ = 67382784.

The previous prime is 74736601. The next prime is 74736643. The reversal of 74736623 is 32663747.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 74736623 - 2²² = 70542319 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 (74736643) 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, 66290 + ... + 67407.

It is an arithmetic number, because the mean of its divisors is an integer number (10294746).

Almost surely, 2^74736623 is an apocalyptic number.

74736623 is a deficient number, since it is larger than the sum of its proper divisors (7621345).

74736623 is a wasteful number, since it uses less digits than its factorization.

74736623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133753.

The product of its digits is 127008, while the sum is 38.

The square root of 74736623 is about 8645.0345863970. The cubic root of 74736623 is about 421.2221075316. Note that the first 3 decimals are identical.

The spelling of 74736623 in words is "seventy-four million, seven hundred thirty-six thousand, six hundred twenty-three".