3612745404 has 36 divisors (see below), whose sum is σ = 9134044920. Its totient is φ = 1204007520.

The previous prime is 3612745387. The next prime is 3612745421. The reversal of 3612745404 is 4045472163.

3612745404 is a `hidden beast` number, since 36 + 12 + 74 + 540 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (3612745387) and next prime (3612745421).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 332002 + ... + 342710.

It is an arithmetic number, because the mean of its divisors is an integer number (253723470).

Almost surely, 2^3612745404 is an apocalyptic number.

It is an amenable number.

3612745404 is an abundant number, since it is smaller than the sum of its proper divisors (5521299516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3612745404 is a wasteful number, since it uses less digits than its factorization.

3612745404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20090 (or 20085 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 3612745404 is about 60106.1178583345. The cubic root of 3612745404 is about 1534.4254239877.

The spelling of 3612745404 in words is "three billion, six hundred twelve million, seven hundred forty-five thousand, four hundred four".