66746350 has 24 divisors (see below), whose sum is σ = 135435528. Its totient is φ = 24271200.

The previous prime is 66746347. The next prime is 66746377. The reversal of 66746350 is 5364766.

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, 60129 + ... + 61228.

It is an arithmetic number, because the mean of its divisors is an integer number (5643147).

Almost surely, 2^66746350 is an apocalyptic number.

66746350 is an abundant number, since it is smaller than the sum of its proper divisors (68689178).

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

66746350 is a wasteful number, since it uses less digits than its factorization.

66746350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121380 (or 121375 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 66746350 is about 8169.8439397580. The cubic root of 66746350 is about 405.6416187597.

The spelling of 66746350 in words is "sixty-six million, seven hundred forty-six thousand, three hundred fifty".