1675421604 has 48 divisors (see below), whose sum is σ = 4599201600. Its totient is φ = 525621888.

The previous prime is 1675421597. The next prime is 1675421623. The reversal of 1675421604 is 4061245761.

1675421604 is a `hidden beast` number, since 1 + 6 + 7 + 5 + 42 + 1 + 604 = 666.

It is a super-2 number, since 2×1675421604² = 5614075102299865632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454434 + ... + 458105.

It is an arithmetic number, because the mean of its divisors is an integer number (95816700).

Almost surely, 2^1675421604 is an apocalyptic number.

It is an amenable number.

1675421604 is an abundant number, since it is smaller than the sum of its proper divisors (2923779996).

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

1675421604 is a wasteful number, since it uses less digits than its factorization.

1675421604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912569 (or 912561 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1675421604 is about 40931.9142479313. The cubic root of 1675421604 is about 1187.7035021727.

The spelling of 1675421604 in words is "one billion, six hundred seventy-five million, four hundred twenty-one thousand, six hundred four".