74745627 has 8 divisors (see below), whose sum is σ = 108720960. Its totient is φ = 45300360.

The previous prime is 74745611. The next prime is 74745637. The reversal of 74745627 is 72654747.

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

It is not a de Polignac number, because 74745627 - 2⁴ = 74745611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74745637) 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 7 ways as a sum of consecutive naturals, for example, 1132477 + ... + 1132542.

It is an arithmetic number, because the mean of its divisors is an integer number (13590120).

Almost surely, 2^74745627 is an apocalyptic number.

74745627 is a deficient number, since it is larger than the sum of its proper divisors (33975333).

74745627 is a wasteful number, since it uses less digits than its factorization.

74745627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265033.

The product of its digits is 329280, while the sum is 42.

The square root of 74745627 is about 8645.5553320767. Note that the first 3 decimals coincide. The cubic root of 74745627 is about 421.2390226281.

The spelling of 74745627 in words is "seventy-four million, seven hundred forty-five thousand, six hundred twenty-seven".