742212784 has 10 divisors (see below), whose sum is σ = 1438037300. Its totient is φ = 371106384.

The previous prime is 742212769. The next prime is 742212787. The reversal of 742212784 is 487212247.

It is not an unprimeable number, because it can be changed into a prime (742212787) 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 as a sum of consecutive naturals, namely, 23194134 + ... + 23194165.

It is an arithmetic number, because the mean of its divisors is an integer number (143803730).

Almost surely, 2^742212784 is an apocalyptic number.

It is an amenable number.

742212784 is a deficient number, since it is larger than the sum of its proper divisors (695824516).

742212784 is a wasteful number, since it uses less digits than its factorization.

742212784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46388307 (or 46388301 counting only the distinct ones).

The product of its digits is 50176, while the sum is 37.

The square root of 742212784 is about 27243.5824369704. The cubic root of 742212784 is about 905.4048366309.

The spelling of 742212784 in words is "seven hundred forty-two million, two hundred twelve thousand, seven hundred eighty-four".