742263189 has 16 divisors (see below), whose sum is σ = 1008893760. Its totient is φ = 485285760.

The previous prime is 742263169. The next prime is 742263191. The reversal of 742263189 is 981362247.

It is not a de Polignac number, because 742263189 - 2¹² = 742259093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742263189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742263169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57657 + ... + 69345.

It is an arithmetic number, because the mean of its divisors is an integer number (63055860).

Almost surely, 2^742263189 is an apocalyptic number.

It is an amenable number.

742263189 is a deficient number, since it is larger than the sum of its proper divisors (266630571).

742263189 is a wasteful number, since it uses less digits than its factorization.

742263189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12100.

The product of its digits is 145152, while the sum is 42.

The square root of 742263189 is about 27244.5075015130. The cubic root of 742263189 is about 905.4253320552.

The spelling of 742263189 in words is "seven hundred forty-two million, two hundred sixty-three thousand, one hundred eighty-nine".