66950452 has 48 divisors (see below), whose sum is σ = 128826880. Its totient is φ = 30326400.

The previous prime is 66950449. The next prime is 66950459. The reversal of 66950452 is 25405966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66950459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369802 + ... + 369982.

Almost surely, 2^66950452 is an apocalyptic number.

66950452 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66950452 is a deficient number, since it is larger than the sum of its proper divisors (61876428).

66950452 is a wasteful number, since it uses less digits than its factorization.

66950452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 66950452 is about 8182.3255862866. The cubic root of 66950452 is about 406.0546651624.

The spelling of 66950452 in words is "sixty-six million, nine hundred fifty thousand, four hundred fifty-two".