40573694 has 8 divisors (see below), whose sum is σ = 69554928. Its totient is φ = 17388720.

The previous prime is 40573691. The next prime is 40573711. The reversal of 40573694 is 49637504.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40573691) 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, 1449047 + ... + 1449074.

It is an arithmetic number, because the mean of its divisors is an integer number (8694366).

Almost surely, 2^40573694 is an apocalyptic number.

40573694 is a deficient number, since it is larger than the sum of its proper divisors (28981234).

40573694 is a wasteful number, since it uses less digits than its factorization.

40573694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898130.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 40573694 is about 6369.7483466774. The cubic root of 40573694 is about 343.6224393256.

The spelling of 40573694 in words is "forty million, five hundred seventy-three thousand, six hundred ninety-four".