40769637 has 4 divisors (see below), whose sum is σ = 54359520. Its totient is φ = 27179756.

The previous prime is 40769629. The next prime is 40769647. The reversal of 40769637 is 73696704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40769637 - 2³ = 40769629 is a prime.

It is a super-2 number, since 2×40769637² = 3324326602223538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40769647) 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, 6794937 + ... + 6794942.

It is an arithmetic number, because the mean of its divisors is an integer number (13589880).

Almost surely, 2^40769637 is an apocalyptic number.

It is an amenable number.

40769637 is a deficient number, since it is larger than the sum of its proper divisors (13589883).

40769637 is a wasteful number, since it uses less digits than its factorization.

40769637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13589882.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 40769637 is about 6385.1105706949. The cubic root of 40769637 is about 344.1747045033.

The spelling of 40769637 in words is "forty million, seven hundred sixty-nine thousand, six hundred thirty-seven".