40743477 has 6 divisors (see below), whose sum is σ = 58851702. Its totient is φ = 27162312.

The previous prime is 40743473. The next prime is 40743481. The reversal of 40743477 is 77434704.

It is an interprime number because it is at equal distance from previous prime (40743473) and next prime (40743481).

It can be written as a sum of positive squares in only one way, i.e., 20439441 + 20304036 = 4521^2 + 4506^2 .

It is not a de Polignac number, because 40743477 - 2² = 40743473 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40743473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2263518 + ... + 2263535.

It is an arithmetic number, because the mean of its divisors is an integer number (9808617).

Almost surely, 2^40743477 is an apocalyptic number.

It is an amenable number.

40743477 is a deficient number, since it is larger than the sum of its proper divisors (18108225).

40743477 is a wasteful number, since it uses less digits than its factorization.

40743477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527059 (or 4527056 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 40743477 is about 6383.0617261625. The cubic root of 40743477 is about 344.1010750628.

The spelling of 40743477 in words is "forty million, seven hundred forty-three thousand, four hundred seventy-seven".