7427342505 has 48 divisors (see below), whose sum is σ = 13552410816. Its totient is φ = 3444524160.

The previous prime is 7427342491. The next prime is 7427342509. The reversal of 7427342505 is 5052437247.

It is not a de Polignac number, because 7427342505 - 2⁵ = 7427342473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7427342509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44739 + ... + 129831.

It is an arithmetic number, because the mean of its divisors is an integer number (282341892).

Almost surely, 2^7427342505 is an apocalyptic number.

It is an amenable number.

7427342505 is a deficient number, since it is larger than the sum of its proper divisors (6125068311).

7427342505 is a wasteful number, since it uses less digits than its factorization.

7427342505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85158 (or 85135 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 39.

The square root of 7427342505 is about 86182.0312188103. The cubic root of 7427342505 is about 1951.0923097807.

The spelling of 7427342505 in words is "seven billion, four hundred twenty-seven million, three hundred forty-two thousand, five hundred five".