742491318492 has 72 divisors (see below), whose sum is σ = 2339972648832. Its totient is φ = 192854887200.

The previous prime is 742491318421. The next prime is 742491318523. The reversal of 742491318492 is 294813194247.

742491318492 is a `hidden beast` number, since 7 + 42 + 491 + 31 + 84 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133924234 + ... + 133929777.

Almost surely, 2^742491318492 is an apocalyptic number.

It is an amenable number.

742491318492 is an abundant number, since it is smaller than the sum of its proper divisors (1597481330340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742491318492 is a wasteful number, since it uses less digits than its factorization.

742491318492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267854039 (or 267854034 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 742491318492 in words is "seven hundred forty-two billion, four hundred ninety-one million, three hundred eighteen thousand, four hundred ninety-two".