1572066 has 12 divisors (see below), whose sum is σ = 3406182. Its totient is φ = 524016.

The previous prime is 1572047. The next prime is 1572083. The reversal of 1572066 is 6602751.

It can be written as a sum of positive squares in only one way, i.e., 1490841 + 81225 = 1221^2 + 285^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43651 + ... + 43686.

2^1572066 is an apocalyptic number.

1572066 is an abundant number, since it is smaller than the sum of its proper divisors (1834116).

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

1572066 is a wasteful number, since it uses less digits than its factorization.

1572066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87345 (or 87342 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1572066 is about 1253.8205613245. The cubic root of 1572066 is about 116.2760468864.

It can be divided in two parts, 15720 and 66, that multiplied together give a triangular number (1037520 = T₁₄₄₀).

The spelling of 1572066 in words is "one million, five hundred seventy-two thousand, sixty-six".