642303762 has 16 divisors (see below), whose sum is σ = 1288056000. Its totient is φ = 213526512.

The previous prime is 642303751. The next prime is 642303763. The reversal of 642303762 is 267303246.

It is not an unprimeable number, because it can be changed into a prime (642303763) 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, 141262 + ... + 145737.

It is an arithmetic number, because the mean of its divisors is an integer number (80503500).

Almost surely, 2^642303762 is an apocalyptic number.

642303762 is an abundant number, since it is smaller than the sum of its proper divisors (645752238).

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

642303762 is a wasteful number, since it uses less digits than its factorization.

642303762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287377.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 642303762 is about 25343.7124746948. The cubic root of 642303762 is about 862.8066596171.

The spelling of 642303762 in words is "six hundred forty-two million, three hundred three thousand, seven hundred sixty-two".