1493750784 has 44 divisors (see below), whose sum is σ = 3981398624. Its totient is φ = 497915904.

The previous prime is 1493750773. The next prime is 1493750789. The reversal of 1493750784 is 4870573941.

It is a happy number.

It is a super-2 number, since 2×1493750784² = 4462582809401229312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493750789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240052 + ... + 246195.

Almost surely, 2^1493750784 is an apocalyptic number.

It is an amenable number.

1493750784 is an abundant number, since it is smaller than the sum of its proper divisors (2487647840).

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

1493750784 is an equidigital number, since it uses as much as digits as its factorization.

1493750784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486270 (or 486252 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 1493750784 is about 38649.0722268983. The cubic root of 1493750784 is about 1143.1223483578.

The spelling of 1493750784 in words is "one billion, four hundred ninety-three million, seven hundred fifty thousand, seven hundred eighty-four".