3642861472 has 12 divisors (see below), whose sum is σ = 7171883586. Its totient is φ = 1821430720.

The previous prime is 3642861457. The next prime is 3642861503. The reversal of 3642861472 is 2741682463.

It can be written as a sum of positive squares in only one way, i.e., 2808576016 + 834285456 = 52996^2 + 28884^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56919679 + ... + 56919742.

Almost surely, 2^3642861472 is an apocalyptic number.

3642861472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3642861472 is a deficient number, since it is larger than the sum of its proper divisors (3529022114).

3642861472 is a wasteful number, since it uses less digits than its factorization.

3642861472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113839431 (or 113839423 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 3642861472 is about 60356.1220755608. The cubic root of 3642861472 is about 1538.6773193480.

The spelling of 3642861472 in words is "three billion, six hundred forty-two million, eight hundred sixty-one thousand, four hundred seventy-two".