73941660 has 120 divisors (see below), whose sum is σ = 249871776. Its totient is φ = 18195840.

The previous prime is 73941649. The next prime is 73941713. The reversal of 73941660 is 6614937.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19305 + ... + 22815.

Almost surely, 2^73941660 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 73941660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124935888).

73941660 is an abundant number, since it is smaller than the sum of its proper divisors (175930116).

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

73941660 is a wasteful number, since it uses less digits than its factorization.

73941660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545 (or 3534 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 73941660 is about 8598.9336548202. The cubic root of 73941660 is about 419.7232871182.

The spelling of 73941660 in words is "seventy-three million, nine hundred forty-one thousand, six hundred sixty".