7872072934 has 24 divisors (see below), whose sum is σ = 13224072960. Its totient is φ = 3510695760.

The previous prime is 7872072893. The next prime is 7872072937. The reversal of 7872072934 is 4392702787.

It is a super-3 number, since 3×7872072934³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872072937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294054 + ... + 319705.

It is an arithmetic number, because the mean of its divisors is an integer number (551003040).

Almost surely, 2^7872072934 is an apocalyptic number.

7872072934 is a deficient number, since it is larger than the sum of its proper divisors (5352000026).

7872072934 is a wasteful number, since it uses less digits than its factorization.

7872072934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613836 (or 613825 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The square root of 7872072934 is about 88724.7030651554. The cubic root of 7872072934 is about 1989.2820768289.

The spelling of 7872072934 in words is "seven billion, eight hundred seventy-two million, seventy-two thousand, nine hundred thirty-four".