7428417894 has 12 divisors (see below), whose sum is σ = 16094905476. Its totient is φ = 2476139292.

The previous prime is 7428417883. The next prime is 7428417911. The reversal of 7428417894 is 4987148247.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7428417894.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 206344924 + ... + 206344959.

It is an arithmetic number, because the mean of its divisors is an integer number (1341242123).

Almost surely, 2^7428417894 is an apocalyptic number.

7428417894 is an abundant number, since it is smaller than the sum of its proper divisors (8666487582).

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

7428417894 is a wasteful number, since it uses less digits than its factorization.

7428417894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412689891 (or 412689888 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 7428417894 is about 86188.2700487717. The cubic root of 7428417894 is about 1951.1864700609.

The spelling of 7428417894 in words is "seven billion, four hundred twenty-eight million, four hundred seventeen thousand, eight hundred ninety-four".