7257065242 has 32 divisors (see below), whose sum is σ = 12611653632. Its totient is φ = 3067714944.

The previous prime is 7257065209. The next prime is 7257065267. The reversal of 7257065242 is 2425607527.

It is a junction number, because it is equal to n+sod(n) for n = 7257065195 and 7257065204.

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, 295798 + ... + 319390.

It is an arithmetic number, because the mean of its divisors is an integer number (394114176).

Almost surely, 2^7257065242 is an apocalyptic number.

7257065242 is a deficient number, since it is larger than the sum of its proper divisors (5354588390).

7257065242 is a wasteful number, since it uses less digits than its factorization.

7257065242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23902.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 7257065242 is about 85188.4102563254. The cubic root of 7257065242 is about 1936.0668214889.

The spelling of 7257065242 in words is "seven billion, two hundred fifty-seven million, sixty-five thousand, two hundred forty-two".