66094725 has 24 divisors (see below), whose sum is σ = 115706880. Its totient is φ = 33176320.

The previous prime is 66094723. The next prime is 66094727. The reversal of 66094725 is 52749066.

It is an interprime number because it is at equal distance from previous prime (66094723) and next prime (66094727).

It is not a de Polignac number, because 66094725 - 2¹ = 66094723 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66094723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24645 + ... + 27194.

It is an arithmetic number, because the mean of its divisors is an integer number (4821120).

Almost surely, 2^66094725 is an apocalyptic number.

It is an amenable number.

66094725 is a deficient number, since it is larger than the sum of its proper divisors (49612155).

66094725 is a wasteful number, since it uses less digits than its factorization.

66094725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51869 (or 51864 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 66094725 is about 8129.8662350619. The cubic root of 66094725 is about 404.3172462384.

The spelling of 66094725 in words is "sixty-six million, ninety-four thousand, seven hundred twenty-five".