742942626724 has 12 divisors (see below), whose sum is σ = 1335288775324. Its totient is φ = 361431548064.

The previous prime is 742942626721. The next prime is 742942626739. The reversal of 742942626724 is 427626249247.

It can be written as a sum of positive squares in 2 ways, for example, as 409367073124 + 333575553600 = 639818^2 + 577560^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (742942626721) 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, 2509941159 + ... + 2509941454.

Almost surely, 2^742942626724 is an apocalyptic number.

742942626724 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

742942626724 is a deficient number, since it is larger than the sum of its proper divisors (592346148600).

742942626724 is a wasteful number, since it uses less digits than its factorization.

742942626724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019882654 (or 5019882652 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 55.

The spelling of 742942626724 in words is "seven hundred forty-two billion, nine hundred forty-two million, six hundred twenty-six thousand, seven hundred twenty-four".