43372074981 has 8 divisors (see below), whose sum is σ = 57830397120. Its totient is φ = 28914234752.

The previous prime is 43372074971. The next prime is 43372074989. The reversal of 43372074981 is 18947027334.

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 43372074981 - 2⁷ = 43372074853 is a prime.

It is a super-2 number, since 2×43372074981² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43372074981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43372074989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274741 + ... + 402773.

It is an arithmetic number, because the mean of its divisors is an integer number (7228799640).

Almost surely, 2^43372074981 is an apocalyptic number.

It is an amenable number.

43372074981 is a deficient number, since it is larger than the sum of its proper divisors (14458322139).

43372074981 is a wasteful number, since it uses less digits than its factorization.

43372074981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240955.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 43372074981 in words is "forty-three billion, three hundred seventy-two million, seventy-four thousand, nine hundred eighty-one".