66070474 has 8 divisors (see below), whose sum is σ = 99771300. Its totient is φ = 32813376.

The previous prime is 66070457. The next prime is 66070507. The reversal of 66070474 is 47407066.

It can be written as a sum of positive squares in 2 ways, for example, as 64689849 + 1380625 = 8043^2 + 1175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110559 + ... + 111154.

Almost surely, 2^66070474 is an apocalyptic number.

66070474 is a deficient number, since it is larger than the sum of its proper divisors (33700826).

66070474 is a wasteful number, since it uses less digits than its factorization.

66070474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221864.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 66070474 is about 8128.3746222723. The cubic root of 66070474 is about 404.2677904662.

The spelling of 66070474 in words is "sixty-six million, seventy thousand, four hundred seventy-four".