742342020 has 96 divisors (see below), whose sum is σ = 2478809088. Its totient is φ = 162298752.

The previous prime is 742341979. The next prime is 742342031. The reversal of 742342020 is 20243247.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28764 + ... + 48083.

It is an arithmetic number, because the mean of its divisors is an integer number (25820928).

Almost surely, 2^742342020 is an apocalyptic number.

742342020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

742342020 is an abundant number, since it is smaller than the sum of its proper divisors (1736467068).

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

742342020 is a wasteful number, since it uses less digits than its factorization.

742342020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76889 (or 76887 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 742342020 is about 27245.9541950727. The cubic root of 742342020 is about 905.4573840546.

Adding to 742342020 its reverse (20243247), we get a palindrome (762585267).

The spelling of 742342020 in words is "seven hundred forty-two million, three hundred forty-two thousand, twenty".