742894404 has 48 divisors (see below), whose sum is σ = 1989606528. Its totient is φ = 211339008.

The previous prime is 742894393. The next prime is 742894423. The reversal of 742894404 is 404498247.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594 + ... + 38550.

It is an arithmetic number, because the mean of its divisors is an integer number (41450136).

Almost surely, 2^742894404 is an apocalyptic number.

It is an amenable number.

742894404 is an abundant number, since it is smaller than the sum of its proper divisors (1246712124).

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

742894404 is a wasteful number, since it uses less digits than its factorization.

742894404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38204 (or 38202 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 742894404 is about 27256.0893012919. The cubic root of 742894404 is about 905.6819149542.

The spelling of 742894404 in words is "seven hundred forty-two million, eight hundred ninety-four thousand, four hundred four".