34405745 has 48 divisors (see below), whose sum is σ = 49124880. Its totient is φ = 23063040.

The previous prime is 34405733. The next prime is 34405757. The reversal of 34405745 is 54750443.

It is an interprime number because it is at equal distance from previous prime (34405733) and next prime (34405757).

It can be written as a sum of positive squares in 8 ways, for example, as 2686321 + 31719424 = 1639^2 + 5632^2 .

It is not a de Polignac number, because 34405745 - 2⁴ = 34405729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 649139 + ... + 649191.

It is an arithmetic number, because the mean of its divisors is an integer number (1023435).

Almost surely, 2^34405745 is an apocalyptic number.

It is an amenable number.

34405745 is a deficient number, since it is larger than the sum of its proper divisors (14719135).

34405745 is a wasteful number, since it uses less digits than its factorization.

34405745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 34405745 is about 5865.6410561847. The cubic root of 34405745 is about 325.2447702428.

The spelling of 34405745 in words is "thirty-four million, four hundred five thousand, seven hundred forty-five".