7420663057 has 32 divisors (see below), whose sum is σ = 8070652800. Its totient is φ = 6808209408.

The previous prime is 7420663031. The next prime is 7420663067. The reversal of 7420663057 is 7503660247.

It is a cyclic number.

It is not a de Polignac number, because 7420663057 - 2⁷ = 7420662929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7420663007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8638294 + ... + 8639152.

It is an arithmetic number, because the mean of its divisors is an integer number (252207900).

Almost surely, 2^7420663057 is an apocalyptic number.

It is an amenable number.

7420663057 is a deficient number, since it is larger than the sum of its proper divisors (649989743).

7420663057 is a wasteful number, since it uses less digits than its factorization.

7420663057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105.

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

The square root of 7420663057 is about 86143.2705264898. The cubic root of 7420663057 is about 1950.5072585228.

The spelling of 7420663057 in words is "seven billion, four hundred twenty million, six hundred sixty-three thousand, fifty-seven".