1497793680 has 120 divisors (see below), whose sum is σ = 5216457792. Its totient is φ = 399406464.

The previous prime is 1497793669. The next prime is 1497793699. The reversal of 1497793680 is 863977941.

It is a happy number.

1497793680 is a `hidden beast` number, since 1 + 497 + 7 + 93 + 68 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 19084 + ... + 57963.

Almost surely, 2^1497793680 is an apocalyptic number.

1497793680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1497793680 is an abundant number, since it is smaller than the sum of its proper divisors (3718664112).

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

1497793680 is an equidigital number, since it uses as much as digits as its factorization.

1497793680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77075 (or 77057 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1497793680 is about 38701.3395117017. The cubic root of 1497793680 is about 1144.1527213915.

The spelling of 1497793680 in words is "one billion, four hundred ninety-seven million, seven hundred ninety-three thousand, six hundred eighty".