7621609420 has 48 divisors (see below), whose sum is σ = 16164868608. Its totient is φ = 3018409920.

The previous prime is 7621609417. The next prime is 7621609447. The reversal of 7621609420 is 249061267.

It is a self number, because there is not a number n which added to its sum of digits gives 7621609420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879147 + ... + 887773.

It is an arithmetic number, because the mean of its divisors is an integer number (336768096).

Almost surely, 2^7621609420 is an apocalyptic number.

It is an amenable number.

7621609420 is an abundant number, since it is smaller than the sum of its proper divisors (8543259188).

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

7621609420 is a wasteful number, since it uses less digits than its factorization.

7621609420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9070 (or 9068 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 7621609420 is about 87301.8294195488. The cubic root of 7621609420 is about 1967.9568104051.

The spelling of 7621609420 in words is "seven billion, six hundred twenty-one million, six hundred nine thousand, four hundred twenty".