6720362145 has 48 divisors (see below), whose sum is σ = 13326273792. Its totient is φ = 3069037440.

The previous prime is 6720362107. The next prime is 6720362147. The reversal of 6720362145 is 5412630276.

6720362145 is a `hidden beast` number, since 6 + 7 + 20 + 3 + 621 + 4 + 5 = 666.

It is not a de Polignac number, because 6720362145 - 2⁶ = 6720362081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6720362147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314419 + ... + 335111.

It is an arithmetic number, because the mean of its divisors is an integer number (277630704).

Almost surely, 2^6720362145 is an apocalyptic number.

It is an amenable number.

6720362145 is a deficient number, since it is larger than the sum of its proper divisors (6605911647).

6720362145 is a wasteful number, since it uses less digits than its factorization.

6720362145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21742 (or 21739 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 6720362145 is about 81977.8149562429. The cubic root of 6720362145 is about 1887.1114901146. Note that the first 3 decimals are identical.

The spelling of 6720362145 in words is "six billion, seven hundred twenty million, three hundred sixty-two thousand, one hundred forty-five".