6620730754 has 8 divisors (see below), whose sum is σ = 10833923088. Its totient is φ = 3009423060.

The previous prime is 6620730731. The next prime is 6620730793. The reversal of 6620730754 is 4570370266.

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

It is a super-2 number, since 2×6620730754² = 87668151433922817032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150471132 + ... + 150471175.

It is an arithmetic number, because the mean of its divisors is an integer number (1354240386).

Almost surely, 2^6620730754 is an apocalyptic number.

6620730754 is a deficient number, since it is larger than the sum of its proper divisors (4213192334).

6620730754 is a wasteful number, since it uses less digits than its factorization.

6620730754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300942320.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 6620730754 is about 81367.8729843665. The cubic root of 6620730754 is about 1877.7393562581.

The spelling of 6620730754 in words is "six billion, six hundred twenty million, seven hundred thirty thousand, seven hundred fifty-four".