742170822 has 16 divisors (see below), whose sum is σ = 1501020720. Its totient is φ = 244610432.

The previous prime is 742170787. The next prime is 742170823. The reversal of 742170822 is 228071247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742170823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694383 + ... + 695450.

It is an arithmetic number, because the mean of its divisors is an integer number (93813795).

Almost surely, 2^742170822 is an apocalyptic number.

742170822 is an abundant number, since it is smaller than the sum of its proper divisors (758849898).

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

742170822 is a wasteful number, since it uses less digits than its factorization.

742170822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389927.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 742170822 is about 27242.8122997608. The cubic root of 742170822 is about 905.3877735485.

The spelling of 742170822 in words is "seven hundred forty-two million, one hundred seventy thousand, eight hundred twenty-two".