7934742 has 24 divisors (see below), whose sum is σ = 18097560. Its totient is φ = 2505600.

The previous prime is 7934741. The next prime is 7934749. The reversal of 7934742 is 2474397.

It is a d-powerful number, because it can be written as 7⁴ + 9³ + 3³ + 4⁶ + 7⁸ + 4⁸ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 7934697 and 7934706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7934741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11259 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (754065).

Almost surely, 2^7934742 is an apocalyptic number.

7934742 is an abundant number, since it is smaller than the sum of its proper divisors (10162818).

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

7934742 is a wasteful number, since it uses less digits than its factorization.

7934742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23228 (or 23225 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 7934742 is about 2816.8674090202. The cubic root of 7934742 is about 199.4546979127.

The spelling of 7934742 in words is "seven million, nine hundred thirty-four thousand, seven hundred forty-two".