3722545432 has 32 divisors (see below), whose sum is σ = 7335147600. Its totient is φ = 1768846464.

The previous prime is 3722545427. The next prime is 3722545439. The reversal of 3722545432 is 2345452273.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 3722545391 and 3722545400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722545439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133507 + ... + 158962.

Almost surely, 2^3722545432 is an apocalyptic number.

It is an amenable number.

3722545432 is a deficient number, since it is larger than the sum of its proper divisors (3612602168).

3722545432 is a wasteful number, since it uses less digits than its factorization.

3722545432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292555 (or 292551 counting only the distinct ones).

The product of its digits is 201600, while the sum is 37.

The square root of 3722545432 is about 61012.6661603966. Note that the first 3 decimals coincide. The cubic root of 3722545432 is about 1549.8155079754.

The spelling of 3722545432 in words is "three billion, seven hundred twenty-two million, five hundred forty-five thousand, four hundred thirty-two".