307680453 has 12 divisors (see below), whose sum is σ = 463750560. Its totient is φ = 196201896.

The previous prime is 307680427. The next prime is 307680463. The reversal of 307680453 is 354086703.

It is a happy number.

It is not a de Polignac number, because 307680453 - 2⁵ = 307680421 is a prime.

It is a super-2 number, since 2×307680453² = 189334522316570418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307680403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 742983 + ... + 743396.

It is an arithmetic number, because the mean of its divisors is an integer number (38645880).

Almost surely, 2^307680453 is an apocalyptic number.

It is an amenable number.

307680453 is a deficient number, since it is larger than the sum of its proper divisors (156070107).

307680453 is a wasteful number, since it uses less digits than its factorization.

307680453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486408 (or 1486405 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 307680453 is about 17540.8224721648. The cubic root of 307680453 is about 675.0977109579.

The spelling of 307680453 in words is "three hundred seven million, six hundred eighty thousand, four hundred fifty-three".