742224947 has 8 divisors (see below), whose sum is σ = 791092512. Its totient is φ = 693936000.

The previous prime is 742224941. The next prime is 742225007. The reversal of 742224947 is 749422247.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 742224947 - 2¹⁴ = 742208563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742224941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142004 + ... + 147137.

It is an arithmetic number, because the mean of its divisors is an integer number (98886564).

Almost surely, 2^742224947 is an apocalyptic number.

742224947 is a deficient number, since it is larger than the sum of its proper divisors (48867565).

742224947 is a wasteful number, since it uses less digits than its factorization.

742224947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289309.

The product of its digits is 225792, while the sum is 41.

The square root of 742224947 is about 27243.8056629392. The cubic root of 742224947 is about 905.4097823730.

The spelling of 742224947 in words is "seven hundred forty-two million, two hundred twenty-four thousand, nine hundred forty-seven".