43672072479 has 16 divisors (see below), whose sum is σ = 66824060160. Its totient is φ = 24851917440.

The previous prime is 43672072453. The next prime is 43672072501. The reversal of 43672072479 is 97427027634.

It is a happy number.

It is not a de Polignac number, because 43672072479 - 2⁷ = 43672072351 is a prime.

It is a super-2 number, since 2×43672072479² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43672072439) 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 15 ways as a sum of consecutive naturals, for example, 4309509 + ... + 4319630.

It is an arithmetic number, because the mean of its divisors is an integer number (4176503760).

Almost surely, 2^43672072479 is an apocalyptic number.

43672072479 is a deficient number, since it is larger than the sum of its proper divisors (23151987681).

43672072479 is a wasteful number, since it uses less digits than its factorization.

43672072479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8629390.

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 43672072479 in words is "forty-three billion, six hundred seventy-two million, seventy-two thousand, four hundred seventy-nine".