73912464 has 120 divisors (see below), whose sum is σ = 221827320. Its totient is φ = 22892544.

The previous prime is 73912441. The next prime is 73912469. The reversal of 73912464 is 46421937.

It can be written as a sum of positive squares in 4 ways, for example, as 14745600 + 59166864 = 3840^2 + 7692^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (73912469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266694 + ... + 266970.

It is an arithmetic number, because the mean of its divisors is an integer number (1848561).

Almost surely, 2^73912464 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 73912464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110913660).

73912464 is an abundant number, since it is smaller than the sum of its proper divisors (147914856).

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

73912464 is a wasteful number, since it uses less digits than its factorization.

73912464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 408 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 73912464 is about 8597.2358348483. The cubic root of 73912464 is about 419.6680370093.

It can be divided in two parts, 739 and 12464, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 73912464 in words is "seventy-three million, nine hundred twelve thousand, four hundred sixty-four".