73672532016 has 80 divisors (see below), whose sum is σ = 193215633408. Its totient is φ = 24184742400.

The previous prime is 73672532009. The next prime is 73672532023. The reversal of 73672532016 is 61023527637.

It is an interprime number because it is at equal distance from previous prime (73672532009) and next prime (73672532023).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3181761 + ... + 3204831.

Almost surely, 2^73672532016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73672532016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96607816704).

73672532016 is an abundant number, since it is smaller than the sum of its proper divisors (119543101392).

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

73672532016 is a wasteful number, since it uses less digits than its factorization.

73672532016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24090 (or 24084 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 73672532016 in words is "seventy-three billion, six hundred seventy-two million, five hundred thirty-two thousand, sixteen".