3507742572 has 12 divisors (see below), whose sum is σ = 8184732696. Its totient is φ = 1169247520.

The previous prime is 3507742571. The next prime is 3507742603. The reversal of 3507742572 is 2752477053.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3507742571) 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 3 ways as a sum of consecutive naturals, for example, 146155929 + ... + 146155952.

It is an arithmetic number, because the mean of its divisors is an integer number (682061058).

Almost surely, 2^3507742572 is an apocalyptic number.

It is an amenable number.

3507742572 is an abundant number, since it is smaller than the sum of its proper divisors (4676990124).

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

3507742572 is a wasteful number, since it uses less digits than its factorization.

3507742572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292311888 (or 292311886 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 42.

The square root of 3507742572 is about 59226.1983584967. The cubic root of 3507742572 is about 1519.4132332375.

The spelling of 3507742572 in words is "three billion, five hundred seven million, seven hundred forty-two thousand, five hundred seventy-two".