40073564 has 12 divisors (see below), whose sum is σ = 71839488. Its totient is φ = 19548000.

The previous prime is 40073531. The next prime is 40073587. The reversal of 40073564 is 46537004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122012 + ... + 122339.

It is an arithmetic number, because the mean of its divisors is an integer number (5986624).

Almost surely, 2^40073564 is an apocalyptic number.

It is an amenable number.

40073564 is a deficient number, since it is larger than the sum of its proper divisors (31765924).

40073564 is a wasteful number, since it uses less digits than its factorization.

40073564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244396 (or 244394 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 40073564 is about 6330.3683937035. The cubic root of 40073564 is about 342.2047153922.

The spelling of 40073564 in words is "forty million, seventy-three thousand, five hundred sixty-four".