7428492 has 18 divisors (see below), whose sum is σ = 18777668. Its totient is φ = 2476152.

The previous prime is 7428469. The next prime is 7428521. The reversal of 7428492 is 2948247.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 206347 = 7428492 / (7 + 4 + 2 + 8 + 4 + 9 + 2).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 103138 + ... + 103209.

Almost surely, 2^7428492 is an apocalyptic number.

It is an amenable number.

7428492 is an abundant number, since it is smaller than the sum of its proper divisors (11349176).

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

7428492 is a wasteful number, since it uses less digits than its factorization.

7428492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206357 (or 206352 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 7428492 is about 2725.5260042788. The cubic root of 7428492 is about 195.1192958394.

The spelling of 7428492 in words is "seven million, four hundred twenty-eight thousand, four hundred ninety-two".