742212734 has 8 divisors (see below), whose sum is σ = 1129936008. Its totient is φ = 365567400.

The previous prime is 742212733. The next prime is 742212739. The reversal of 742212734 is 437212247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 742212734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742212733) 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, 2769317 + ... + 2769584.

It is an arithmetic number, because the mean of its divisors is an integer number (141242001).

Almost surely, 2^742212734 is an apocalyptic number.

742212734 is a deficient number, since it is larger than the sum of its proper divisors (387723274).

742212734 is a wasteful number, since it uses less digits than its factorization.

742212734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538970.

The product of its digits is 18816, while the sum is 32.

The square root of 742212734 is about 27243.5815193230. The cubic root of 742212734 is about 905.4048162997.

The spelling of 742212734 in words is "seven hundred forty-two million, two hundred twelve thousand, seven hundred thirty-four".