73961224 has 32 divisors (see below), whose sum is σ = 149932800. Its totient is φ = 34084800.

The previous prime is 73961149. The next prime is 73961227. The reversal of 73961224 is 42216937.

It is a self number, because there is not a number n which added to its sum of digits gives 73961224.

It is not an unprimeable number, because it can be changed into a prime (73961227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952 + ... + 12199.

It is an arithmetic number, because the mean of its divisors is an integer number (4685400).

Almost surely, 2^73961224 is an apocalyptic number.

73961224 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

73961224 is an abundant number, since it is smaller than the sum of its proper divisors (75971576).

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

73961224 is a wasteful number, since it uses less digits than its factorization.

73961224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13213 (or 13209 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 73961224 is about 8600.0711624963. The cubic root of 73961224 is about 419.7603016252.

The spelling of 73961224 in words is "seventy-three million, nine hundred sixty-one thousand, two hundred twenty-four".