71628494 has 24 divisors (see below), whose sum is σ = 126861480. Its totient is φ = 30236976.

The previous prime is 71628481. The next prime is 71628503. The reversal of 71628494 is 49482617.

It is a super-3 number, since 3×71628494³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1112 + ... + 12020.

It is an arithmetic number, because the mean of its divisors is an integer number (5285895).

Almost surely, 2^71628494 is an apocalyptic number.

71628494 is a deficient number, since it is larger than the sum of its proper divisors (55232986).

71628494 is a wasteful number, since it uses less digits than its factorization.

71628494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10992 (or 10985 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 71628494 is about 8463.3618615772. The cubic root of 71628494 is about 415.3000085481.

The spelling of 71628494 in words is "seventy-one million, six hundred twenty-eight thousand, four hundred ninety-four".