742889367437 has 4 divisors (see below), whose sum is σ = 849016419936. Its totient is φ = 636762314940.

The previous prime is 742889367427. The next prime is 742889367511. The reversal of 742889367437 is 734763988247.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 734763988247 = 31 ⋅23702064137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742889367437 is a prime.

It is a super-2 number, since 2×742889367437² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742889367427) 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, 53063526239 + ... + 53063526252.

It is an arithmetic number, because the mean of its divisors is an integer number (212254104984).

Almost surely, 2^742889367437 is an apocalyptic number.

It is an amenable number.

742889367437 is a deficient number, since it is larger than the sum of its proper divisors (106127052499).

742889367437 is a wasteful number, since it uses less digits than its factorization.

742889367437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106127052498.

The product of its digits is 341397504, while the sum is 68.

The spelling of 742889367437 in words is "seven hundred forty-two billion, eight hundred eighty-nine million, three hundred sixty-seven thousand, four hundred thirty-seven".