742859481 has 32 divisors (see below), whose sum is σ = 1220567040. Its totient is φ = 391351104.

The previous prime is 742859477. The next prime is 742859483. The reversal of 742859481 is 184958247.

It is a happy number.

It is not a de Polignac number, because 742859481 - 2² = 742859477 is a prime.

It is a super-2 number, since 2×742859481² = 1103680417023178722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 742859481.

It is not an unprimeable number, because it can be changed into a prime (742859483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359056 + ... + 361118.

It is an arithmetic number, because the mean of its divisors is an integer number (38142720).

Almost surely, 2^742859481 is an apocalyptic number.

It is an amenable number.

742859481 is a deficient number, since it is larger than the sum of its proper divisors (477707559).

742859481 is a wasteful number, since it uses less digits than its factorization.

742859481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405.

The product of its digits is 645120, while the sum is 48.

The square root of 742859481 is about 27255.4486479309. The cubic root of 742859481 is about 905.6677228856.

The spelling of 742859481 in words is "seven hundred forty-two million, eight hundred fifty-nine thousand, four hundred eighty-one".