66113742 has 16 divisors (see below), whose sum is σ = 132387840. Its totient is φ = 22011192.

The previous prime is 66113741. The next prime is 66113759. The reversal of 66113742 is 24731166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66113741) 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, 942 + ... + 11537.

It is an arithmetic number, because the mean of its divisors is an integer number (8274240).

Almost surely, 2^66113742 is an apocalyptic number.

66113742 is an abundant number, since it is smaller than the sum of its proper divisors (66274098).

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

66113742 is a wasteful number, since it uses less digits than its factorization.

66113742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13367.

The product of its digits is 6048, while the sum is 30.

The square root of 66113742 is about 8131.0357273843. The cubic root of 66113742 is about 404.3560196995.

The spelling of 66113742 in words is "sixty-six million, one hundred thirteen thousand, seven hundred forty-two".