40769997 has 8 divisors (see below), whose sum is σ = 54567744. Its totient is φ = 27076128.

The previous prime is 40769987. The next prime is 40770011. The reversal of 40769997 is 79996704.

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

It is not a de Polignac number, because 40769997 - 2⁶ = 40769933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40769947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25048 + ... + 26625.

It is an arithmetic number, because the mean of its divisors is an integer number (6820968).

Almost surely, 2^40769997 is an apocalyptic number.

It is an amenable number.

40769997 is a deficient number, since it is larger than the sum of its proper divisors (13797747).

40769997 is a wasteful number, since it uses less digits than its factorization.

40769997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51939.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 40769997 is about 6385.1387612173. The cubic root of 40769997 is about 344.1757175328.

The spelling of 40769997 in words is "forty million, seven hundred sixty-nine thousand, nine hundred ninety-seven".