742355297420 has 24 divisors (see below), whose sum is σ = 1700668500048. Its totient is φ = 269947380800.

The previous prime is 742355297363. The next prime is 742355297459. The reversal of 742355297420 is 24792553247.

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, 1687170911 + ... + 1687171350.

It is an arithmetic number, because the mean of its divisors is an integer number (70861187502).

Almost surely, 2^742355297420 is an apocalyptic number.

It is an amenable number.

742355297420 is an abundant number, since it is smaller than the sum of its proper divisors (958313202628).

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

742355297420 is a wasteful number, since it uses less digits than its factorization.

742355297420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374342281 (or 3374342279 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 742355297420 in words is "seven hundred forty-two billion, three hundred fifty-five million, two hundred ninety-seven thousand, four hundred twenty".