42770616 has 64 divisors (see below), whose sum is σ = 127526400. Its totient is φ = 11687808.

The previous prime is 42770603. The next prime is 42770633. The reversal of 42770616 is 61607724.

It is a congruent number.

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, 1671 + ... + 9398.

It is an arithmetic number, because the mean of its divisors is an integer number (1992600).

Almost surely, 2^42770616 is an apocalyptic number.

42770616 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42770616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63763200).

42770616 is an abundant number, since it is smaller than the sum of its proper divisors (84755784).

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

42770616 is a wasteful number, since it uses less digits than its factorization.

42770616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11108 (or 11104 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 42770616 is about 6539.9247702095. The cubic root of 42770616 is about 349.7157310849.

The spelling of 42770616 in words is "forty-two million, seven hundred seventy thousand, six hundred sixteen".