66902352 has 60 divisors (see below), whose sum is σ = 189987840. Its totient is φ = 20271680.

The previous prime is 66902351. The next prime is 66902359. The reversal of 66902352 is 25320966.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66902351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49 + ... + 11567.

It is an arithmetic number, because the mean of its divisors is an integer number (3166464).

Almost surely, 2^66902352 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 66902352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94993920).

66902352 is an abundant number, since it is smaller than the sum of its proper divisors (123085488).

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

66902352 is a wasteful number, since it uses less digits than its factorization.

66902352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11552 (or 11535 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 66902352 is about 8179.3857960118. The cubic root of 66902352 is about 405.9573996572.

The spelling of 66902352 in words is "sixty-six million, nine hundred two thousand, three hundred fifty-two".