3620743542 has 72 divisors (see below), whose sum is σ = 8536594248. Its totient is φ = 1108598400.

The previous prime is 3620743499. The next prime is 3620743543. The reversal of 3620743542 is 2453470263.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3620743497 and 3620743506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620743543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 639042 + ... + 644682.

It is an arithmetic number, because the mean of its divisors is an integer number (118563809).

Almost surely, 2^3620743542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3620743542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4268297124).

3620743542 is an abundant number, since it is smaller than the sum of its proper divisors (4915850706).

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

3620743542 is a wasteful number, since it uses less digits than its factorization.

3620743542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886 (or 5870 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The square root of 3620743542 is about 60172.6145518042. The cubic root of 3620743542 is about 1535.5569273595.

The spelling of 3620743542 in words is "three billion, six hundred twenty million, seven hundred forty-three thousand, five hundred forty-two".