74425635505 has 16 divisors (see below), whose sum is σ = 96186782160. Its totient is φ = 54957063168.

The previous prime is 74425635499. The next prime is 74425635511. The reversal of 74425635505 is 50553652447.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74425635499) and next prime (74425635511).

It can be written as a sum of positive squares in 8 ways, for example, as 3225785616 + 71199849889 = 56796^2 + 266833^2 .

It is a cyclic number.

It is not a de Polignac number, because 74425635505 - 2³ = 74425635497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1589509 + ... + 1635661.

It is an arithmetic number, because the mean of its divisors is an integer number (6011673885).

Almost surely, 2^74425635505 is an apocalyptic number.

It is an amenable number.

74425635505 is a deficient number, since it is larger than the sum of its proper divisors (21761146655).

74425635505 is a wasteful number, since it uses less digits than its factorization.

74425635505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70980.

The product of its (nonzero) digits is 2520000, while the sum is 46.

The spelling of 74425635505 in words is "seventy-four billion, four hundred twenty-five million, six hundred thirty-five thousand, five hundred five".