66732054 has 16 divisors (see below), whose sum is σ = 133761648. Its totient is φ = 22194432.

The previous prime is 66732049. The next prime is 66732059. The reversal of 66732054 is 45023766.

It is an interprime number because it is at equal distance from previous prime (66732049) and next prime (66732059).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66732059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9427 + ... + 14910.

It is an arithmetic number, because the mean of its divisors is an integer number (8360103).

Almost surely, 2^66732054 is an apocalyptic number.

66732054 is an abundant number, since it is smaller than the sum of its proper divisors (67029594).

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

66732054 is a wasteful number, since it uses less digits than its factorization.

66732054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24799.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 66732054 is about 8168.9689679910. The cubic root of 66732054 is about 405.6126560441.

The spelling of 66732054 in words is "sixty-six million, seven hundred thirty-two thousand, fifty-four".