74055865 has 8 divisors (see below), whose sum is σ = 95703048. Its totient is φ = 54687360.

The previous prime is 74055851. The next prime is 74055887. The reversal of 74055865 is 56855047.

It can be written as a sum of positive squares in 4 ways, for example, as 13402921 + 60652944 = 3661^2 + 7788^2 .

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

It is not a de Polignac number, because 74055865 - 2⁹ = 74055353 is a prime.

It is a super-2 number, since 2×74055865² = 10968542281796450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569596 + ... + 569725.

It is an arithmetic number, because the mean of its divisors is an integer number (11962881).

Almost surely, 2^74055865 is an apocalyptic number.

It is an amenable number.

74055865 is a deficient number, since it is larger than the sum of its proper divisors (21647183).

74055865 is a wasteful number, since it uses less digits than its factorization.

74055865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139339.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 74055865 is about 8605.5717416102. The cubic root of 74055865 is about 419.9392674845.

The spelling of 74055865 in words is "seventy-four million, fifty-five thousand, eight hundred sixty-five".