40697870 has 8 divisors (see below), whose sum is σ = 73256184. Its totient is φ = 16279144.

The previous prime is 40697869. The next prime is 40697887. The reversal of 40697870 is 7879604.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034884 + ... + 2034903.

It is an arithmetic number, because the mean of its divisors is an integer number (9157023).

Almost surely, 2^40697870 is an apocalyptic number.

40697870 is a deficient number, since it is larger than the sum of its proper divisors (32558314).

40697870 is a wasteful number, since it uses less digits than its factorization.

40697870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069794.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 40697870 is about 6379.4882239879. The cubic root of 40697870 is about 343.9726350595.

The spelling of 40697870 in words is "forty million, six hundred ninety-seven thousand, eight hundred seventy".