74272066 has 8 divisors (see below), whose sum is σ = 121536144. Its totient is φ = 33760020.

The previous prime is 74272049. The next prime is 74272109. The reversal of 74272066 is 66027247.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687980 + ... + 1688023.

It is an arithmetic number, because the mean of its divisors is an integer number (15192018).

Almost surely, 2^74272066 is an apocalyptic number.

74272066 is a deficient number, since it is larger than the sum of its proper divisors (47264078).

74272066 is a wasteful number, since it uses less digits than its factorization.

74272066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376016.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 74272066 is about 8618.1242738777. The cubic root of 74272066 is about 420.3475317033.

The spelling of 74272066 in words is "seventy-four million, two hundred seventy-two thousand, sixty-six".