7929474 has 32 divisors (see below), whose sum is σ = 18499200. Its totient is φ = 2264976.

The previous prime is 7929473. The next prime is 7929491. The reversal of 7929474 is 4749297.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (7929473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132 + ... + 3984.

It is an arithmetic number, because the mean of its divisors is an integer number (578100).

Almost surely, 2^7929474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7929474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9249600).

7929474 is an abundant number, since it is smaller than the sum of its proper divisors (10569726).

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

7929474 is a wasteful number, since it uses less digits than its factorization.

7929474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879 (or 3865 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 7929474 is about 2815.9321724786. The cubic root of 7929474 is about 199.4105477704.

The spelling of 7929474 in words is "seven million, nine hundred twenty-nine thousand, four hundred seventy-four".