32428078 has 16 divisors (see below), whose sum is σ = 52159680. Its totient is φ = 15065856.

The previous prime is 32428069. The next prime is 32428087. The reversal of 32428078 is 87082423.

It is an interprime number because it is at equal distance from previous prime (32428069) and next prime (32428087).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3351 + ... + 8722.

It is an arithmetic number, because the mean of its divisors is an integer number (3259980).

Almost surely, 2^32428078 is an apocalyptic number.

32428078 is a deficient number, since it is larger than the sum of its proper divisors (19731602).

32428078 is a wasteful number, since it uses less digits than its factorization.

32428078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12171.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 32428078 is about 5694.5656550785. The cubic root of 32428078 is about 318.8896346819.

The spelling of 32428078 in words is "thirty-two million, four hundred twenty-eight thousand, seventy-eight".