73969812 has 108 divisors (see below), whose sum is σ = 229057920. Its totient is φ = 20012832.

The previous prime is 73969799. The next prime is 73969829. The reversal of 73969812 is 21896937.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32413 + ... + 34619.

Almost surely, 2^73969812 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 73969812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114528960).

73969812 is an abundant number, since it is smaller than the sum of its proper divisors (155088108).

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

73969812 is a wasteful number, since it uses less digits than its factorization.

73969812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250 (or 2238 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 73969812 is about 8600.5704461972. The cubic root of 73969812 is about 419.7765478047.

The spelling of 73969812 in words is "seventy-three million, nine hundred sixty-nine thousand, eight hundred twelve".