742557446 has 8 divisors (see below), whose sum is σ = 1149766464. Its totient is φ = 359301960.

The previous prime is 742557427. The next prime is 742557457. The reversal of 742557446 is 644755247.

It is a happy number.

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

It is a super-2 number, since 2×742557446² = 1102783121220085832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 742557397 and 742557406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5988305 + ... + 5988428.

It is an arithmetic number, because the mean of its divisors is an integer number (143720808).

Almost surely, 2^742557446 is an apocalyptic number.

742557446 is a deficient number, since it is larger than the sum of its proper divisors (407209018).

742557446 is a wasteful number, since it uses less digits than its factorization.

742557446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11976766.

The product of its digits is 940800, while the sum is 44.

The square root of 742557446 is about 27249.9072658973. The cubic root of 742557446 is about 905.5449628218.

The spelling of 742557446 in words is "seven hundred forty-two million, five hundred fifty-seven thousand, four hundred forty-six".