74720006 has 8 divisors (see below), whose sum is σ = 112886760. Its totient is φ = 37091088.

The previous prime is 74719991. The next prime is 74720021. The reversal of 74720006 is 60002747.

It is an interprime number because it is at equal distance from previous prime (74719991) and next prime (74720021).

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

It is a congruent number.

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, 134111 + ... + 134666.

It is an arithmetic number, because the mean of its divisors is an integer number (14110845).

Almost surely, 2^74720006 is an apocalyptic number.

74720006 is a deficient number, since it is larger than the sum of its proper divisors (38166754).

74720006 is a wasteful number, since it uses less digits than its factorization.

74720006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268918.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 74720006 is about 8644.0734610483. The cubic root of 74720006 is about 421.1908869319.

The spelling of 74720006 in words is "seventy-four million, seven hundred twenty thousand, six".