40747506 has 16 divisors (see below), whose sum is σ = 81847584. Its totient is φ = 13523744.

The previous prime is 40747463. The next prime is 40747517. The reversal of 40747506 is 60574704.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13176 + ... + 15971.

It is an arithmetic number, because the mean of its divisors is an integer number (5115474).

Almost surely, 2^40747506 is an apocalyptic number.

40747506 is an abundant number, since it is smaller than the sum of its proper divisors (41100078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40747506 is a wasteful number, since it uses less digits than its factorization.

40747506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29385.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 40747506 is about 6383.3773192566. The cubic root of 40747506 is about 344.1124170627.

The spelling of 40747506 in words is "forty million, seven hundred forty-seven thousand, five hundred six".