1674597420 has 36 divisors (see below), whose sum is σ = 5079612720. Its totient is φ = 446559264.

The previous prime is 1674597403. The next prime is 1674597469. The reversal of 1674597420 is 247954761.

1674597420 is a `hidden beast` number, since 16 + 7 + 4 + 597 + 42 + 0 = 666.

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 (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4651480 + ... + 4651839.

Almost surely, 2^1674597420 is an apocalyptic number.

1674597420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1674597420 is an abundant number, since it is smaller than the sum of its proper divisors (3405015300).

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

1674597420 is a wasteful number, since it uses less digits than its factorization.

1674597420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9303334 (or 9303329 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 1674597420 is about 40921.8452663122. The cubic root of 1674597420 is about 1187.5087160210.

The spelling of 1674597420 in words is "one billion, six hundred seventy-four million, five hundred ninety-seven thousand, four hundred twenty".