40770307 has 4 divisors (see below), whose sum is σ = 40783680. Its totient is φ = 40756936.

The previous prime is 40770299. The next prime is 40770311. The reversal of 40770307 is 70307704.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40770307 - 2³ = 40770299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40770377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369 + ... + 9037.

It is an arithmetic number, because the mean of its divisors is an integer number (10195920).

Almost surely, 2^40770307 is an apocalyptic number.

40770307 is a deficient number, since it is larger than the sum of its proper divisors (13373).

40770307 is an equidigital number, since it uses as much as digits as its factorization.

40770307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13372.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 40770307 is about 6385.1630362897. The cubic root of 40770307 is about 344.1765898589.

The spelling of 40770307 in words is "forty million, seven hundred seventy thousand, three hundred seven".