74274007 has 4 divisors (see below), whose sum is σ = 74359576. Its totient is φ = 74188440.

The previous prime is 74273999. The next prime is 74274019. The reversal of 74274007 is 70047247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74274007 - 2³ = 74273999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74274007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74274077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41469 + ... + 43222.

It is an arithmetic number, because the mean of its divisors is an integer number (18589894).

Almost surely, 2^74274007 is an apocalyptic number.

74274007 is a deficient number, since it is larger than the sum of its proper divisors (85569).

74274007 is an equidigital number, since it uses as much as digits as its factorization.

74274007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85568.

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 74274007 is about 8618.2368846534. The cubic root of 74274007 is about 420.3511934095.

The spelling of 74274007 in words is "seventy-four million, two hundred seventy-four thousand, seven".