7421660670 has 32 divisors (see below), whose sum is σ = 17975406240. Its totient is φ = 1960951680.

The previous prime is 7421660663. The next prime is 7421660683. The reversal of 7421660670 is 760661247.

It is a congruent number.

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, 1131541 + ... + 1138080.

It is an arithmetic number, because the mean of its divisors is an integer number (561731445).

Almost surely, 2^7421660670 is an apocalyptic number.

7421660670 is an abundant number, since it is smaller than the sum of its proper divisors (10553745570).

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

7421660670 is a wasteful number, since it uses less digits than its factorization.

7421660670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269740.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 7421660670 is about 86149.0607609857. The cubic root of 7421660670 is about 1950.5946615033.

The spelling of 7421660670 in words is "seven billion, four hundred twenty-one million, six hundred sixty thousand, six hundred seventy".