14761640 has 32 divisors (see below), whose sum is σ = 34027560. Its totient is φ = 5760000.

The previous prime is 14761639. The next prime is 14761657. The reversal of 14761640 is 4616741.

14761640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5410276 + 9351364 = 2326^2 + 3058^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861 + ... + 6140.

Almost surely, 2^14761640 is an apocalyptic number.

14761640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14761640 is an abundant number, since it is smaller than the sum of its proper divisors (19265920).

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

14761640 is a wasteful number, since it uses less digits than its factorization.

14761640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9053 (or 9049 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 14761640 is about 3842.0879740058. The cubic root of 14761640 is about 245.3079010998.

The spelling of 14761640 in words is "fourteen million, seven hundred sixty-one thousand, six hundred forty".