7124004 has 24 divisors (see below), whose sum is σ = 18469920. Its totient is φ = 2374632.

The previous prime is 7123981. The next prime is 7124009. The reversal of 7124004 is 4004217.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (7124009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32874 + ... + 33089.

It is an arithmetic number, because the mean of its divisors is an integer number (769580).

Almost surely, 2^7124004 is an apocalyptic number.

It is an amenable number.

7124004 is an abundant number, since it is smaller than the sum of its proper divisors (11345916).

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

7124004 is a wasteful number, since it uses less digits than its factorization.

7124004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65976 (or 65968 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 7124004 is about 2669.0829885936. The cubic root of 7124004 is about 192.4160898135.

The spelling of 7124004 in words is "seven million, one hundred twenty-four thousand, four".