7630857420 has 48 divisors (see below), whose sum is σ = 21529525248. Its totient is φ = 2019359680.

The previous prime is 7630857341. The next prime is 7630857431. The reversal of 7630857420 is 247580367.

It is a super-3 number, since 3×7630857420³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477564 + ... + 493283.

It is an arithmetic number, because the mean of its divisors is an integer number (448531776).

Almost surely, 2^7630857420 is an apocalyptic number.

It is an amenable number.

7630857420 is an abundant number, since it is smaller than the sum of its proper divisors (13898667828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7630857420 is a wasteful number, since it uses less digits than its factorization.

7630857420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970990 (or 970988 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 7630857420 is about 87354.7790335480. The cubic root of 7630857420 is about 1968.7524563739.

The spelling of 7630857420 in words is "seven billion, six hundred thirty million, eight hundred fifty-seven thousand, four hundred twenty".