6245721670 has 8 divisors (see below), whose sum is σ = 11242299024. Its totient is φ = 2498288664.

The previous prime is 6245721641. The next prime is 6245721679. The reversal of 6245721670 is 761275426.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6245721679) 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, 312286074 + ... + 312286093.

It is an arithmetic number, because the mean of its divisors is an integer number (1405287378).

Almost surely, 2^6245721670 is an apocalyptic number.

6245721670 is a deficient number, since it is larger than the sum of its proper divisors (4996577354).

6245721670 is a wasteful number, since it uses less digits than its factorization.

6245721670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624572174.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 6245721670 is about 79029.8783372466. The cubic root of 6245721670 is about 1841.5953466463.

The spelling of 6245721670 in words is "six billion, two hundred forty-five million, seven hundred twenty-one thousand, six hundred seventy".