7872340654 has 8 divisors (see below), whose sum is σ = 12503129328. Its totient is φ = 3704630880.

The previous prime is 7872340579. The next prime is 7872340673. The reversal of 7872340654 is 4560432787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7872340654² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115769682 + ... + 115769749.

It is an arithmetic number, because the mean of its divisors is an integer number (1562891166).

Almost surely, 2^7872340654 is an apocalyptic number.

7872340654 is a deficient number, since it is larger than the sum of its proper divisors (4630788674).

7872340654 is a wasteful number, since it uses less digits than its factorization.

7872340654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231539450.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The square root of 7872340654 is about 88726.2117640554. The cubic root of 7872340654 is about 1989.3046276261.

The spelling of 7872340654 in words is "seven billion, eight hundred seventy-two million, three hundred forty thousand, six hundred fifty-four".