40793247 has 32 divisors (see below), whose sum is σ = 69408000. Its totient is φ = 23418720.

The previous prime is 40793243. The next prime is 40793261. The reversal of 40793247 is 74239704.

40793247 is a `hidden beast` number, since 407 + 9 + 3 + 247 = 666.

It is not a de Polignac number, because 40793247 - 2² = 40793243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40793243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2029 + ... + 9257.

It is an arithmetic number, because the mean of its divisors is an integer number (2169000).

Almost surely, 2^40793247 is an apocalyptic number.

40793247 is a deficient number, since it is larger than the sum of its proper divisors (28614753).

40793247 is a wasteful number, since it uses less digits than its factorization.

40793247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7268 (or 7262 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 40793247 is about 6386.9591356138. The cubic root of 40793247 is about 344.2411297262.

The spelling of 40793247 in words is "forty million, seven hundred ninety-three thousand, two hundred forty-seven".