40607247 has 4 divisors (see below), whose sum is σ = 54143000. Its totient is φ = 27071496.

The previous prime is 40607233. The next prime is 40607257. The reversal of 40607247 is 74270604.

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

It is not a de Polignac number, because 40607247 - 2¹⁸ = 40345103 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 (40607227) 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, 6767872 + ... + 6767877.

It is an arithmetic number, because the mean of its divisors is an integer number (13535750).

Almost surely, 2^40607247 is an apocalyptic number.

40607247 is a deficient number, since it is larger than the sum of its proper divisors (13535753).

40607247 is a wasteful number, since it uses less digits than its factorization.

40607247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535752.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 40607247 is about 6372.3815799119. The cubic root of 40607247 is about 343.7171344006.

The spelling of 40607247 in words is "forty million, six hundred seven thousand, two hundred forty-seven".