69747066 has 12 divisors (see below), whose sum is σ = 151118682. Its totient is φ = 23249016.

The previous prime is 69747061. The next prime is 69747091. The reversal of 69747066 is 66074796.

It can be written as a sum of positive squares in only one way, i.e., 67716441 + 2030625 = 8229^2 + 1425^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (69747061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1937401 + ... + 1937436.

Almost surely, 2^69747066 is an apocalyptic number.

69747066 is an abundant number, since it is smaller than the sum of its proper divisors (81371616).

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

69747066 is a wasteful number, since it uses less digits than its factorization.

69747066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874845 (or 3874842 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 69747066 is about 8351.4708884124. The cubic root of 69747066 is about 411.6315436787.

The spelling of 69747066 in words is "sixty-nine million, seven hundred forty-seven thousand, sixty-six".