40073545 has 8 divisors (see below), whose sum is σ = 49639680. Its totient is φ = 31024560.

The previous prime is 40073531. The next prime is 40073587. The reversal of 40073545 is 54537004.

40073545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40073545 - 2⁷ = 40073417 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 129115 + ... + 129424.

It is an arithmetic number, because the mean of its divisors is an integer number (6204960).

Almost surely, 2^40073545 is an apocalyptic number.

It is an amenable number.

40073545 is a deficient number, since it is larger than the sum of its proper divisors (9566135).

40073545 is a wasteful number, since it uses less digits than its factorization.

40073545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258575.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 40073545 is about 6330.3668930008. The cubic root of 40073545 is about 342.2046613093.

The spelling of 40073545 in words is "forty million, seventy-three thousand, five hundred forty-five".