7620706505 has 8 divisors (see below), whose sum is σ = 9205410624. Its totient is φ = 6056190000.

The previous prime is 7620706459. The next prime is 7620706529. The reversal of 7620706505 is 5056070267.

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

It is a de Polignac number, because none of the positive numbers 2^k-7620706505 is a prime.

It is a super-3 number, since 3×7620706505³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5046071 + ... + 5047580.

It is an arithmetic number, because the mean of its divisors is an integer number (1150676328).

Almost surely, 2^7620706505 is an apocalyptic number.

It is an amenable number.

7620706505 is a deficient number, since it is larger than the sum of its proper divisors (1584704119).

7620706505 is a wasteful number, since it uses less digits than its factorization.

7620706505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10093807.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 7620706505 is about 87296.6580402709. The cubic root of 7620706505 is about 1967.8790941906.

The spelling of 7620706505 in words is "seven billion, six hundred twenty million, seven hundred six thousand, five hundred five".