66293045 has 32 divisors (see below), whose sum is σ = 98423808. Its totient is φ = 41741568.

The previous prime is 66293039. The next prime is 66293063. The reversal of 66293045 is 54039266.

It is a cyclic number.

It is not a de Polignac number, because 66293045 - 2¹⁰ = 66292021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 66292996 and 66293014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166787 + ... + 167183.

It is an arithmetic number, because the mean of its divisors is an integer number (3075744).

Almost surely, 2^66293045 is an apocalyptic number.

66293045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

66293045 is a deficient number, since it is larger than the sum of its proper divisors (32130763).

66293045 is a wasteful number, since it uses less digits than its factorization.

66293045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 66293045 is about 8142.0541020064. The cubic root of 66293045 is about 404.7212327441.

The spelling of 66293045 in words is "sixty-six million, two hundred ninety-three thousand, forty-five".