73486656 has 168 divisors, whose sum is σ = 230794560. Its totient is φ = 22885632.

The previous prime is 73486649. The next prime is 73486697. The reversal of 73486656 is 65668437.

It is a super-2 number, since 2×73486656² = 10800577220124672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1708971 + ... + 1709013.

Almost surely, 2^73486656 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 73486656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115397280).

73486656 is an abundant number, since it is smaller than the sum of its proper divisors (157307904).

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

73486656 is a wasteful number, since it uses less digits than its factorization.

73486656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 71 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 73486656 is about 8572.4358265315. The cubic root of 73486656 is about 418.8605851547.

The spelling of 73486656 in words is "seventy-three million, four hundred eighty-six thousand, six hundred fifty-six".