34487457 has 4 divisors (see below), whose sum is σ = 45983280. Its totient is φ = 22991636.

The previous prime is 34487449. The next prime is 34487503. The reversal of 34487457 is 75478443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75478443 = 3 ⋅25159481.

It is a cyclic number.

It is not a de Polignac number, because 34487457 - 2³ = 34487449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34487417) 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 3 ways as a sum of consecutive naturals, for example, 5747907 + ... + 5747912.

It is an arithmetic number, because the mean of its divisors is an integer number (11495820).

Almost surely, 2^34487457 is an apocalyptic number.

It is an amenable number.

34487457 is a deficient number, since it is larger than the sum of its proper divisors (11495823).

34487457 is a wasteful number, since it uses less digits than its factorization.

34487457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495822.

The product of its digits is 376320, while the sum is 42.

The square root of 34487457 is about 5872.6022341037. The cubic root of 34487457 is about 325.5020469384.

The spelling of 34487457 in words is "thirty-four million, four hundred eighty-seven thousand, four hundred fifty-seven".