742218792 has 32 divisors (see below), whose sum is σ = 2120625600. Its totient is φ = 212062464.

The previous prime is 742218791. The next prime is 742218803. The reversal of 742218792 is 297812247.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (742218791) 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, 2208817 + ... + 2209152.

It is an arithmetic number, because the mean of its divisors is an integer number (66269550).

Almost surely, 2^742218792 is an apocalyptic number.

It is an amenable number.

742218792 is an abundant number, since it is smaller than the sum of its proper divisors (1378406808).

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

742218792 is a wasteful number, since it uses less digits than its factorization.

742218792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417985 (or 4417981 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 742218792 is about 27243.6927012474. The cubic root of 742218792 is about 905.4072796220.

The spelling of 742218792 in words is "seven hundred forty-two million, two hundred eighteen thousand, seven hundred ninety-two".