73773480 has 64 divisors (see below), whose sum is σ = 241444800. Its totient is φ = 17884160.

The previous prime is 73773463. The next prime is 73773493. The reversal of 73773480 is 8437737.

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, 26625 + ... + 29264.

It is an arithmetic number, because the mean of its divisors is an integer number (3772575).

Almost surely, 2^73773480 is an apocalyptic number.

It is an amenable number.

73773480 is an abundant number, since it is smaller than the sum of its proper divisors (167671320).

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

73773480 is a wasteful number, since it uses less digits than its factorization.

73773480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55914 (or 55910 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 73773480 is about 8589.1489683204. The cubic root of 73773480 is about 419.4048259227.

The spelling of 73773480 in words is "seventy-three million, seven hundred seventy-three thousand, four hundred eighty".