7828740534 has 16 divisors (see below), whose sum is σ = 16080656688. Its totient is φ = 2539050912.

The previous prime is 7828740481. The next prime is 7828740581. The reversal of 7828740534 is 4350478287.

It is a super-2 number, since 2×7828740534² (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 7 ways as a sum of consecutive naturals, for example, 17632077 + ... + 17632520.

It is an arithmetic number, because the mean of its divisors is an integer number (1005041043).

Almost surely, 2^7828740534 is an apocalyptic number.

7828740534 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

7828740534 is an abundant number, since it is smaller than the sum of its proper divisors (8251916154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7828740534 is a wasteful number, since it uses less digits than its factorization.

7828740534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35264639.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The square root of 7828740534 is about 88480.1702869067. The cubic root of 7828740534 is about 1985.6253094920.

The spelling of 7828740534 in words is "seven billion, eight hundred twenty-eight million, seven hundred forty thousand, five hundred thirty-four".