742212812 has 12 divisors (see below), whose sum is σ = 1416951816. Its totient is φ = 337369440.

The previous prime is 742212811. The next prime is 742212817. The reversal of 742212812 is 218212247.

It is not an unprimeable number, because it can be changed into a prime (742212811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8434193 + ... + 8434280.

It is an arithmetic number, because the mean of its divisors is an integer number (118079318).

Almost surely, 2^742212812 is an apocalyptic number.

It is an amenable number.

742212812 is a deficient number, since it is larger than the sum of its proper divisors (674739004).

742212812 is a wasteful number, since it uses less digits than its factorization.

742212812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16868488 (or 16868486 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 742212812 is about 27243.5829508528. The cubic root of 742212812 is about 905.4048480164.

The spelling of 742212812 in words is "seven hundred forty-two million, two hundred twelve thousand, eight hundred twelve".