3724652561 has 16 divisors (see below), whose sum is σ = 4358390784. Its totient is φ = 3116416464.

The previous prime is 3724652557. The next prime is 3724652567. The reversal of 3724652561 is 1652564273.

It is not a de Polignac number, because 3724652561 - 2² = 3724652557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3724652567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726770 + ... + 731876.

It is an arithmetic number, because the mean of its divisors is an integer number (272399424).

Almost surely, 2^3724652561 is an apocalyptic number.

It is an amenable number.

3724652561 is a deficient number, since it is larger than the sum of its proper divisors (633738223).

3724652561 is a wasteful number, since it uses less digits than its factorization.

3724652561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580.

The product of its digits is 302400, while the sum is 41.

The square root of 3724652561 is about 61029.9316811022. The cubic root of 3724652561 is about 1550.1078746982.

The spelling of 3724652561 in words is "three billion, seven hundred twenty-four million, six hundred fifty-two thousand, five hundred sixty-one".