742087317254 has 4 divisors (see below), whose sum is σ = 1113130975884. Its totient is φ = 371043658626.

The previous prime is 742087317239. The next prime is 742087317269. The reversal of 742087317254 is 452713780247.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (742087317239) and next prime (742087317269).

It is a super-2 number, since 2×742087317254² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185521829312 + ... + 185521829315.

It is an arithmetic number, because the mean of its divisors is an integer number (278282743971).

Almost surely, 2^742087317254 is an apocalyptic number.

742087317254 is a deficient number, since it is larger than the sum of its proper divisors (371043658630).

742087317254 is a wasteful number, since it uses less digits than its factorization.

742087317254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371043658629.

The product of its (nonzero) digits is 2634240, while the sum is 50.

The spelling of 742087317254 in words is "seven hundred forty-two billion, eighty-seven million, three hundred seventeen thousand, two hundred fifty-four".