74083428 has 36 divisors (see below), whose sum is σ = 193310208. Its totient is φ = 23897520.

The previous prime is 74083417. The next prime is 74083507. The reversal of 74083428 is 82438047.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 74083392 and 74083401.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32076 + ... + 34307.

It is an arithmetic number, because the mean of its divisors is an integer number (5369728).

Almost surely, 2^74083428 is an apocalyptic number.

It is an amenable number.

74083428 is an abundant number, since it is smaller than the sum of its proper divisors (119226780).

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

74083428 is a wasteful number, since it uses less digits than its factorization.

74083428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66424 (or 66419 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 74083428 is about 8607.1730550745. The cubic root of 74083428 is about 419.9913603665.

The spelling of 74083428 in words is "seventy-four million, eighty-three thousand, four hundred twenty-eight".