74020071 has 16 divisors (see below), whose sum is σ = 101692800. Its totient is φ = 47863200.

The previous prime is 74020069. The next prime is 74020073. The reversal of 74020071 is 17002047.

It is an interprime number because it is at equal distance from previous prime (74020069) and next prime (74020073).

It is not a de Polignac number, because 74020071 - 2¹ = 74020069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74020073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17296 + ... + 21146.

It is an arithmetic number, because the mean of its divisors is an integer number (6355800).

Almost surely, 2^74020071 is an apocalyptic number.

74020071 is a deficient number, since it is larger than the sum of its proper divisors (27672729).

74020071 is a wasteful number, since it uses less digits than its factorization.

74020071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 74020071 is about 8603.4917911276. The cubic root of 74020071 is about 419.8715990717.

The spelling of 74020071 in words is "seventy-four million, twenty thousand, seventy-one".