66741070 has 16 divisors (see below), whose sum is σ = 131055408. Its totient is φ = 24269440.

The previous prime is 66741023. The next prime is 66741079. The reversal of 66741070 is 7014766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66741079) 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, 303259 + ... + 303478.

It is an arithmetic number, because the mean of its divisors is an integer number (8190963).

Almost surely, 2^66741070 is an apocalyptic number.

66741070 is a deficient number, since it is larger than the sum of its proper divisors (64314338).

66741070 is a wasteful number, since it uses less digits than its factorization.

66741070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606755.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 66741070 is about 8169.5207937798. The cubic root of 66741070 is about 405.6309223235.

It can be divided in two parts, 6674 and 1070, that added together give a square (7744 = 88²).

The spelling of 66741070 in words is "sixty-six million, seven hundred forty-one thousand, seventy".