1493457792 has 64 divisors (see below), whose sum is σ = 3990105360. Its totient is φ = 494919680.

The previous prime is 1493457733. The next prime is 1493457793. The reversal of 1493457792 is 2977543941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493457793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55192 + ... + 77672.

Almost surely, 2^1493457792 is an apocalyptic number.

1493457792 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 1493457792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1995052680).

1493457792 is an abundant number, since it is smaller than the sum of its proper divisors (2496647568).

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

1493457792 is a wasteful number, since it uses less digits than its factorization.

1493457792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22671 (or 22659 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 1493457792 is about 38645.2816266100. The cubic root of 1493457792 is about 1143.0476041619.

The spelling of 1493457792 in words is "one billion, four hundred ninety-three million, four hundred fifty-seven thousand, seven hundred ninety-two".