742117983 has 8 divisors (see below), whose sum is σ = 1047696048. Its totient is φ = 465642624.

The previous prime is 742117969. The next prime is 742118011. The reversal of 742117983 is 389711247.

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

It is not a de Polignac number, because 742117983 - 2¹² = 742113887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742117583) 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, 7275616 + ... + 7275717.

It is an arithmetic number, because the mean of its divisors is an integer number (130962006).

Almost surely, 2^742117983 is an apocalyptic number.

742117983 is a deficient number, since it is larger than the sum of its proper divisors (305578065).

742117983 is a wasteful number, since it uses less digits than its factorization.

742117983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14551353.

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

The square root of 742117983 is about 27241.8425037662. The cubic root of 742117983 is about 905.3662866174.

The spelling of 742117983 in words is "seven hundred forty-two million, one hundred seventeen thousand, nine hundred eighty-three".