742291944 has 32 divisors (see below), whose sum is σ = 1964891520. Its totient is φ = 232875776.

The previous prime is 742291933. The next prime is 742291967. The reversal of 742291944 is 449192247.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 742291896 and 742291905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909264 + ... + 910079.

It is an arithmetic number, because the mean of its divisors is an integer number (61402860).

Almost surely, 2^742291944 is an apocalyptic number.

It is an amenable number.

742291944 is an abundant number, since it is smaller than the sum of its proper divisors (1222599576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742291944 is a wasteful number, since it uses less digits than its factorization.

742291944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819369 (or 1819365 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 742291944 is about 27245.0352174483. The cubic root of 742291944 is about 905.4370238512.

The spelling of 742291944 in words is "seven hundred forty-two million, two hundred ninety-one thousand, nine hundred forty-four".