3662720471 has 4 divisors (see below), whose sum is σ = 3662959944. Its totient is φ = 3662481000.

The previous prime is 3662720461. The next prime is 3662720483. The reversal of 3662720471 is 1740272663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3662720471 is a prime.

It is a super-3 number, since 3×3662720471³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3662720441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95105 + ... + 127946.

It is an arithmetic number, because the mean of its divisors is an integer number (915739986).

Almost surely, 2^3662720471 is an apocalyptic number.

3662720471 is a deficient number, since it is larger than the sum of its proper divisors (239473).

3662720471 is a wasteful number, since it uses less digits than its factorization.

3662720471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239472.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 3662720471 is about 60520.4136717521. The cubic root of 3662720471 is about 1541.4682784963.

The spelling of 3662720471 in words is "three billion, six hundred sixty-two million, seven hundred twenty thousand, four hundred seventy-one".