742175420 has 24 divisors (see below), whose sum is σ = 1781221344. Its totient is φ = 254460096.

The previous prime is 742175417. The next prime is 742175491. The reversal of 742175420 is 24571247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2650487 + ... + 2650766.

It is an arithmetic number, because the mean of its divisors is an integer number (74217556).

Almost surely, 2^742175420 is an apocalyptic number.

742175420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

742175420 is an abundant number, since it is smaller than the sum of its proper divisors (1039045924).

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

742175420 is a wasteful number, since it uses less digits than its factorization.

742175420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301269 (or 5301267 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 742175420 is about 27242.8966888619. The cubic root of 742175420 is about 905.3896432728.

The spelling of 742175420 in words is "seven hundred forty-two million, one hundred seventy-five thousand, four hundred twenty".