74400284461 has 4 divisors (see below), whose sum is σ = 75058694172. Its totient is φ = 73741874752.

The previous prime is 74400284459. The next prime is 74400284513. The reversal of 74400284461 is 16448200447.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3105944361 + 71294340100 = 55731^2 + 267010^2 .

It is a cyclic number.

It is not a de Polignac number, because 74400284461 - 2¹ = 74400284459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74400284411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329204686 + ... + 329204911.

It is an arithmetic number, because the mean of its divisors is an integer number (18764673543).

Almost surely, 2^74400284461 is an apocalyptic number.

It is an amenable number.

74400284461 is a deficient number, since it is larger than the sum of its proper divisors (658409711).

74400284461 is a wasteful number, since it uses less digits than its factorization.

74400284461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658409710.

The product of its (nonzero) digits is 172032, while the sum is 40.

The spelling of 74400284461 in words is "seventy-four billion, four hundred million, two hundred eighty-four thousand, four hundred sixty-one".