40772530 has 8 divisors (see below), whose sum is σ = 73390572. Its totient is φ = 16309008.

The previous prime is 40772507. The next prime is 40772539. The reversal of 40772530 is 3527704.

40772530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33281361 + 7491169 = 5769^2 + 2737^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40772539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038617 + ... + 2038636.

Almost surely, 2^40772530 is an apocalyptic number.

40772530 is a deficient number, since it is larger than the sum of its proper divisors (32618042).

40772530 is a wasteful number, since it uses less digits than its factorization.

40772530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077260.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 40772530 is about 6385.3371093467. The cubic root of 40772530 is about 344.1828451519.

The spelling of 40772530 in words is "forty million, seven hundred seventy-two thousand, five hundred thirty".