617072442 has 32 divisors (see below), whose sum is σ = 1411997184. Its totient is φ = 176113200.

The previous prime is 617072437. The next prime is 617072459. The reversal of 617072442 is 244270716.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33217 + ... + 48347.

It is an arithmetic number, because the mean of its divisors is an integer number (44124912).

Almost surely, 2^617072442 is an apocalyptic number.

617072442 is an abundant number, since it is smaller than the sum of its proper divisors (794924742).

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

617072442 is a wasteful number, since it uses less digits than its factorization.

617072442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16114.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 617072442 is about 24840.9428565020. The cubic root of 617072442 is about 851.3576651433.

The spelling of 617072442 in words is "six hundred seventeen million, seventy-two thousand, four hundred forty-two".