7404214428 has 48 divisors (see below), whose sum is σ = 20672739360. Its totient is φ = 2278219392.

The previous prime is 7404214423. The next prime is 7404214429. The reversal of 7404214428 is 8244124047.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7404214392 and 7404214401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7404214423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2635425 + ... + 2638232.

It is an arithmetic number, because the mean of its divisors is an integer number (430682070).

Almost surely, 2^7404214428 is an apocalyptic number.

7404214428 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7404214428 is an abundant number, since it is smaller than the sum of its proper divisors (13268524932).

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

7404214428 is a wasteful number, since it uses less digits than its factorization.

7404214428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5273683 (or 5273675 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The square root of 7404214428 is about 86047.7450488971. The cubic root of 7404214428 is about 1949.0650287017.

The spelling of 7404214428 in words is "seven billion, four hundred four million, two hundred fourteen thousand, four hundred twenty-eight".