742981137 has 8 divisors (see below), whose sum is σ = 991170240. Its totient is φ = 495056400.

The previous prime is 742981093. The next prime is 742981147. The reversal of 742981137 is 731189247.

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

It is not a de Polignac number, because 742981137 - 2⁷ = 742981009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742981147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59437 + ... + 70842.

It is an arithmetic number, because the mean of its divisors is an integer number (123896280).

Almost surely, 2^742981137 is an apocalyptic number.

It is an amenable number.

742981137 is a deficient number, since it is larger than the sum of its proper divisors (248189103).

742981137 is a wasteful number, since it uses less digits than its factorization.

742981137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132183.

The product of its digits is 84672, while the sum is 42.

The square root of 742981137 is about 27257.6803305050. The cubic root of 742981137 is about 905.7171597357.

The spelling of 742981137 in words is "seven hundred forty-two million, nine hundred eighty-one thousand, one hundred thirty-seven".