7477242057 has 16 divisors (see below), whose sum is σ = 11459376000. Its totient is φ = 4812936912.

The previous prime is 7477242043. The next prime is 7477242163. The reversal of 7477242057 is 7502427747.

It is not a de Polignac number, because 7477242057 - 2¹⁰ = 7477241033 is a prime.

It is a super-3 number, since 3×7477242057³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7477242257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4773957 + ... + 4775522.

It is an arithmetic number, because the mean of its divisors is an integer number (716211000).

Almost surely, 2^7477242057 is an apocalyptic number.

It is an amenable number.

7477242057 is a deficient number, since it is larger than the sum of its proper divisors (3982133943).

7477242057 is a wasteful number, since it uses less digits than its factorization.

7477242057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9549517 (or 9549511 counting only the distinct ones).

The product of its (nonzero) digits is 768320, while the sum is 45.

The square root of 7477242057 is about 86471.0475072437. The cubic root of 7477242057 is about 1955.4519405272.

The spelling of 7477242057 in words is "seven billion, four hundred seventy-seven million, two hundred forty-two thousand, fifty-seven".