43434687072 has 48 divisors (see below), whose sum is σ = 130304063232. Its totient is φ = 12409910400.

The previous prime is 43434687061. The next prime is 43434687091. The reversal of 43434687072 is 27078643434.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32316804 + ... + 32318147.

It is an arithmetic number, because the mean of its divisors is an integer number (2714667984).

Almost surely, 2^43434687072 is an apocalyptic number.

43434687072 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43434687072 is an abundant number, since it is smaller than the sum of its proper divisors (86869376160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43434687072 is a wasteful number, since it uses less digits than its factorization.

43434687072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64634971 (or 64634963 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 48.

The spelling of 43434687072 in words is "forty-three billion, four hundred thirty-four million, six hundred eighty-seven thousand, seventy-two".