774332142 has 16 divisors (see below), whose sum is σ = 1549511040. Its totient is φ = 257969592.

The previous prime is 774332113. The next prime is 774332147. The reversal of 774332142 is 241233477.

It is a super-2 number, since 2×774332142² = 1199180532268616328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774332147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23068 + ... + 45615.

It is an arithmetic number, because the mean of its divisors is an integer number (96844440).

Almost surely, 2^774332142 is an apocalyptic number.

774332142 is an abundant number, since it is smaller than the sum of its proper divisors (775178898).

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

774332142 is a wasteful number, since it uses less digits than its factorization.

774332142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70567.

The product of its digits is 28224, while the sum is 33.

The square root of 774332142 is about 27826.8241450583. The cubic root of 774332142 is about 918.2813463573.

The spelling of 774332142 in words is "seven hundred seventy-four million, three hundred thirty-two thousand, one hundred forty-two".