40747412 has 6 divisors (see below), whose sum is σ = 71307978. Its totient is φ = 20373704.

The previous prime is 40747403. The next prime is 40747417. The reversal of 40747412 is 21474704.

It can be written as a sum of positive squares in only one way, i.e., 34527376 + 6220036 = 5876^2 + 2494^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40747417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5093423 + ... + 5093430.

It is an arithmetic number, because the mean of its divisors is an integer number (11884663).

Almost surely, 2^40747412 is an apocalyptic number.

It is an amenable number.

40747412 is a deficient number, since it is larger than the sum of its proper divisors (30560566).

40747412 is a wasteful number, since it uses less digits than its factorization.

40747412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10186857 (or 10186855 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 40747412 is about 6383.3699563788. The cubic root of 40747412 is about 344.1121524527.

The spelling of 40747412 in words is "forty million, seven hundred forty-seven thousand, four hundred twelve".