73018764 has 144 divisors (see below), whose sum is σ = 234823680. Its totient is φ = 18610560.

The previous prime is 73018763. The next prime is 73018793. The reversal of 73018764 is 46781037.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73018763) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101197 + ... + 101915.

It is an arithmetic number, because the mean of its divisors is an integer number (1630720).

Almost surely, 2^73018764 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 73018764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117411840).

73018764 is an abundant number, since it is smaller than the sum of its proper divisors (161804916).

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

73018764 is a wasteful number, since it uses less digits than its factorization.

73018764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 73018764 is about 8545.1017548067. The cubic root of 73018764 is about 417.9697253014.

The spelling of 73018764 in words is "seventy-three million, eighteen thousand, seven hundred sixty-four".