74420707 has 4 divisors (see below), whose sum is σ = 74988936. Its totient is φ = 73852480.

The previous prime is 74420683. The next prime is 74420737. The reversal of 74420707 is 70702447.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74420707 is a prime.

It is a super-3 number, since 3×74420707³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74420737) 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, 283918 + ... + 284179.

It is an arithmetic number, because the mean of its divisors is an integer number (18747234).

Almost surely, 2^74420707 is an apocalyptic number.

74420707 is a deficient number, since it is larger than the sum of its proper divisors (568229).

74420707 is a wasteful number, since it uses less digits than its factorization.

74420707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568228.

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

The square root of 74420707 is about 8626.7437077961. The cubic root of 74420707 is about 420.6277592775.

The spelling of 74420707 in words is "seventy-four million, four hundred twenty thousand, seven hundred seven".