73988694 has 32 divisors (see below), whose sum is σ = 177068640. Its totient is φ = 22765536.

The previous prime is 73988647. The next prime is 73988699. The reversal of 73988694 is 49688937.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 73988694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73988699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51997 + ... + 53400.

It is an arithmetic number, because the mean of its divisors is an integer number (5533395).

Almost surely, 2^73988694 is an apocalyptic number.

73988694 is an abundant number, since it is smaller than the sum of its proper divisors (103079946).

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

73988694 is a wasteful number, since it uses less digits than its factorization.

73988694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105421 (or 105415 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 73988694 is about 8601.6680940385. The cubic root of 73988694 is about 419.8122630342.

The spelling of 73988694 in words is "seventy-three million, nine hundred eighty-eight thousand, six hundred ninety-four".