7487309242 has 16 divisors (see below), whose sum is σ = 12836716992. Its totient is φ = 3208514400.

The previous prime is 7487309239. The next prime is 7487309251. The reversal of 7487309242 is 2429037847.

It is a super-2 number, since 2×7487309242² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7487309192 and 7487309201.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 152838 + ... + 195790.

It is an arithmetic number, because the mean of its divisors is an integer number (802294812).

Almost surely, 2^7487309242 is an apocalyptic number.

7487309242 is a deficient number, since it is larger than the sum of its proper divisors (5349407750).

7487309242 is a wasteful number, since it uses less digits than its factorization.

7487309242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55413.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 7487309242 is about 86529.2392316031. The cubic root of 7487309242 is about 1956.3291386535.

The spelling of 7487309242 in words is "seven billion, four hundred eighty-seven million, three hundred nine thousand, two hundred forty-two".