40734661 has 4 divisors (see below), whose sum is σ = 44437824. Its totient is φ = 37031500.

The previous prime is 40734637. The next prime is 40734709. The reversal of 40734661 is 16643704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40734661 - 2⁹ = 40734149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40734611) 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, 1851565 + ... + 1851586.

It is an arithmetic number, because the mean of its divisors is an integer number (11109456).

Almost surely, 2^40734661 is an apocalyptic number.

It is an amenable number.

40734661 is a deficient number, since it is larger than the sum of its proper divisors (3703163).

40734661 is a wasteful number, since it uses less digits than its factorization.

40734661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703162.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40734661 is about 6382.3711111154. The cubic root of 40734661 is about 344.0762546160.

The spelling of 40734661 in words is "forty million, seven hundred thirty-four thousand, six hundred sixty-one".