1673540352 has 540 divisors, whose sum is σ = 5920936560. Its totient is φ = 468357120.

The previous prime is 1673540339. The next prime is 1673540353. The reversal of 1673540352 is 2530453761.

1673540352 is a `hidden beast` number, since 1 + 67 + 3 + 540 + 3 + 52 = 666.

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

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (1673540353) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 57708274 + ... + 57708302.

Almost surely, 2^1673540352 is an apocalyptic number.

1673540352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1673540352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2960468280).

1673540352 is an abundant number, since it is smaller than the sum of its proper divisors (4247396208).

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

1673540352 is a wasteful number, since it uses less digits than its factorization.

1673540352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 1673540352 is about 40908.9275342192. The cubic root of 1673540352 is about 1187.2587969127.

The spelling of 1673540352 in words is "one billion, six hundred seventy-three million, five hundred forty thousand, three hundred fifty-two".