40972079 has 8 divisors (see below), whose sum is σ = 42063840. Its totient is φ = 39884800.

The previous prime is 40972069. The next prime is 40972103. The reversal of 40972079 is 97027904.

It is a happy number.

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

It is not a de Polignac number, because 40972079 - 2⁸ = 40971823 is a prime.

It is a super-2 number, since 2×40972079² = 3357422515164482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40972069) 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, 25502 + ... + 27060.

It is an arithmetic number, because the mean of its divisors is an integer number (5257980).

Almost surely, 2^40972079 is an apocalyptic number.

40972079 is a deficient number, since it is larger than the sum of its proper divisors (1091761).

40972079 is a wasteful number, since it uses less digits than its factorization.

40972079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 40972079 is about 6400.9436023136. The cubic root of 40972079 is about 344.7434317319.

The spelling of 40972079 in words is "forty million, nine hundred seventy-two thousand, seventy-nine".