7873542 has 24 divisors (see below), whose sum is σ = 17116320. Its totient is φ = 2615760.

The previous prime is 7873531. The next prime is 7873553. The reversal of 7873542 is 2453787.

It is an interprime number because it is at equal distance from previous prime (7873531) and next prime (7873553).

It is an Ulam number.

It is a d-powerful number, because it can be written as 7⁶ + 8⁴ + 7⁸ + 3¹³ + 5⁸ + 4⁵ + 2¹⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 7873497 and 7873506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7059 + ... + 8097.

It is an arithmetic number, because the mean of its divisors is an integer number (713180).

Almost surely, 2^7873542 is an apocalyptic number.

7873542 is an abundant number, since it is smaller than the sum of its proper divisors (9242778).

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

7873542 is a wasteful number, since it uses less digits than its factorization.

7873542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468 (or 1465 counting only the distinct ones).

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

The square root of 7873542 is about 2805.9832501282. The cubic root of 7873542 is about 198.9405814033.

The spelling of 7873542 in words is "seven million, eight hundred seventy-three thousand, five hundred forty-two".