40706497 has 8 divisors (see below), whose sum is σ = 43938944. Its totient is φ = 37488528.

The previous prime is 40706461. The next prime is 40706557. The reversal of 40706497 is 79460704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40706497 - 2¹¹ = 40704449 is a prime.

It is a super-2 number, since 2×40706497² = 3314037796022018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40706447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2638 + ... + 9400.

It is an arithmetic number, because the mean of its divisors is an integer number (5492368).

Almost surely, 2^40706497 is an apocalyptic number.

It is an amenable number.

40706497 is a deficient number, since it is larger than the sum of its proper divisors (3232447).

40706497 is a wasteful number, since it uses less digits than its factorization.

40706497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 40706497 is about 6380.1643395762. The cubic root of 40706497 is about 343.9969380699.

The spelling of 40706497 in words is "forty million, seven hundred six thousand, four hundred ninety-seven".