40770705 has 16 divisors (see below), whose sum is σ = 65349504. Its totient is φ = 21705600.

The previous prime is 40770703. The next prime is 40770757. The reversal of 40770705 is 50707704.

It is a happy number.

It is not a de Polignac number, because 40770705 - 2¹ = 40770703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40770703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7605 + ... + 11805.

It is an arithmetic number, because the mean of its divisors is an integer number (4084344).

Almost surely, 2^40770705 is an apocalyptic number.

It is an amenable number.

40770705 is a deficient number, since it is larger than the sum of its proper divisors (24578799).

40770705 is a wasteful number, since it uses less digits than its factorization.

40770705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856.

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 40770705 is about 6385.1942022150. The cubic root of 40770705 is about 344.1777098066.

The spelling of 40770705 in words is "forty million, seven hundred seventy thousand, seven hundred five".