73447464 has 128 divisors (see below), whose sum is σ = 207360000. Its totient is φ = 21567744.

The previous prime is 73447433. The next prime is 73447469. The reversal of 73447464 is 46474437.

It is not an unprimeable number, because it can be changed into a prime (73447469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492862 + ... + 493010.

It is an arithmetic number, because the mean of its divisors is an integer number (1620000).

Almost surely, 2^73447464 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 73447464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103680000).

73447464 is an abundant number, since it is smaller than the sum of its proper divisors (133912536).

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

73447464 is a wasteful number, since it uses less digits than its factorization.

73447464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 243 counting only the distinct ones).

The product of its digits is 225792, while the sum is 39.

The square root of 73447464 is about 8570.1495902930. The cubic root of 73447464 is about 418.7861094873.

The spelling of 73447464 in words is "seventy-three million, four hundred forty-seven thousand, four hundred sixty-four".