40073774 has 32 divisors (see below), whose sum is σ = 71124480. Its totient is φ = 16755552.

The previous prime is 40073771. The next prime is 40073783. The reversal of 40073774 is 47737004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40073774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40073771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9599 + ... + 13125.

It is an arithmetic number, because the mean of its divisors is an integer number (2222640).

Almost surely, 2^40073774 is an apocalyptic number.

40073774 is a deficient number, since it is larger than the sum of its proper divisors (31050706).

40073774 is a wasteful number, since it uses less digits than its factorization.

40073774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 40073774 is about 6330.3849803942. The cubic root of 40073774 is about 342.2053131501.

The spelling of 40073774 in words is "forty million, seventy-three thousand, seven hundred seventy-four".