34140657 has 8 divisors (see below), whose sum is σ = 45684000. Its totient is φ = 22678880.

The previous prime is 34140643. The next prime is 34140679. The reversal of 34140657 is 75604143.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34140657 - 2⁶ = 34140593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34140637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19407 + ... + 21092.

It is an arithmetic number, because the mean of its divisors is an integer number (5710500).

Almost surely, 2^34140657 is an apocalyptic number.

It is an amenable number.

34140657 is a deficient number, since it is larger than the sum of its proper divisors (11543343).

34140657 is a wasteful number, since it uses less digits than its factorization.

34140657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40783.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 34140657 is about 5843.0006845798. Note that the first 3 decimals coincide. The cubic root of 34140657 is about 324.4073047819.

The spelling of 34140657 in words is "thirty-four million, one hundred forty thousand, six hundred fifty-seven".