40747654 has 4 divisors (see below), whose sum is σ = 61121484. Its totient is φ = 20373826.

The previous prime is 40747631. The next prime is 40747667. The reversal of 40747654 is 45674704.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10186912 + ... + 10186915.

It is an arithmetic number, because the mean of its divisors is an integer number (15280371).

Almost surely, 2^40747654 is an apocalyptic number.

40747654 is a deficient number, since it is larger than the sum of its proper divisors (20373830).

40747654 is a wasteful number, since it uses less digits than its factorization.

40747654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20373829.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 40747654 is about 6383.3889118555. The cubic root of 40747654 is about 344.1128336818.

The spelling of 40747654 in words is "forty million, seven hundred forty-seven thousand, six hundred fifty-four".