40630774 has 4 divisors (see below), whose sum is σ = 60946164. Its totient is φ = 20315386.

The previous prime is 40630771. The next prime is 40630787. The reversal of 40630774 is 47703604.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40630771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10157692 + ... + 10157695.

It is an arithmetic number, because the mean of its divisors is an integer number (15236541).

Almost surely, 2^40630774 is an apocalyptic number.

40630774 is a deficient number, since it is larger than the sum of its proper divisors (20315390).

40630774 is a wasteful number, since it uses less digits than its factorization.

40630774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20315389.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 40630774 is about 6374.2273257235. The cubic root of 40630774 is about 343.7835024537.

The spelling of 40630774 in words is "forty million, six hundred thirty thousand, seven hundred seventy-four".