742889741 has 4 divisors (see below), whose sum is σ = 810425184. Its totient is φ = 675354300.

The previous prime is 742889731. The next prime is 742889747. The reversal of 742889741 is 147988247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 742889741 - 2⁶ = 742889677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742889741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742889747) 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, 33767705 + ... + 33767726.

It is an arithmetic number, because the mean of its divisors is an integer number (202606296).

Almost surely, 2^742889741 is an apocalyptic number.

It is an amenable number.

742889741 is a deficient number, since it is larger than the sum of its proper divisors (67535443).

742889741 is a wasteful number, since it uses less digits than its factorization.

742889741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67535442.

The product of its digits is 903168, while the sum is 50.

The square root of 742889741 is about 27256.0037606396. The cubic root of 742889741 is about 905.6800200220.

The spelling of 742889741 in words is "seven hundred forty-two million, eight hundred eighty-nine thousand, seven hundred forty-one".