1617412072 has 32 divisors (see below), whose sum is σ = 3216401280. Its totient is φ = 760858560.

The previous prime is 1617412063. The next prime is 1617412103. The reversal of 1617412072 is 2702147161.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60828 + ... + 83275.

It is an arithmetic number, because the mean of its divisors is an integer number (100512540).

Almost surely, 2^1617412072 is an apocalyptic number.

It is an amenable number.

1617412072 is a deficient number, since it is larger than the sum of its proper divisors (1598989208).

1617412072 is a wasteful number, since it uses less digits than its factorization.

1617412072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144193 (or 144189 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1617412072 is about 40217.0619513659. The cubic root of 1617412072 is about 1173.8345642457.

The spelling of 1617412072 in words is "one billion, six hundred seventeen million, four hundred twelve thousand, seventy-two".