742378603091 has 8 divisors (see below), whose sum is σ = 750769986960. Its totient is φ = 733988331648.

The previous prime is 742378603067. The next prime is 742378603123. The reversal of 742378603091 is 190306873247.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742378603091 is a prime.

It is a super-2 number, since 2×742378603091² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742378603061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102655 + ... + 1643351.

It is an arithmetic number, because the mean of its divisors is an integer number (93846248370).

Almost surely, 2^742378603091 is an apocalyptic number.

742378603091 is a deficient number, since it is larger than the sum of its proper divisors (8391383869).

742378603091 is a wasteful number, since it uses less digits than its factorization.

742378603091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556213.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 742378603091 in words is "seven hundred forty-two billion, three hundred seventy-eight million, six hundred three thousand, ninety-one".