7872534 has 12 divisors (see below), whose sum is σ = 17057196. Its totient is φ = 2624172.

The previous prime is 7872521. The next prime is 7872541. The reversal of 7872534 is 4352787.

It is a d-powerful number, because it can be written as 7⁶ + 8⁴ + 7⁸ + 2¹⁰ + 5⁸ + 3¹³ + 4² .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218664 + ... + 218699.

It is an arithmetic number, because the mean of its divisors is an integer number (1421433).

Almost surely, 2^7872534 is an apocalyptic number.

7872534 is an abundant number, since it is smaller than the sum of its proper divisors (9184662).

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

7872534 is a wasteful number, since it uses less digits than its factorization.

7872534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437371 (or 437368 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 7872534 is about 2805.8036281964. The cubic root of 7872534 is about 198.9320913377.

It can be divided in two parts, 787 and 2534, that added together give a triangular number (3321 = T₈₁).

The spelling of 7872534 in words is "seven million, eight hundred seventy-two thousand, five hundred thirty-four".