742850988 has 48 divisors (see below), whose sum is σ = 1892491776. Its totient is φ = 224916160.

The previous prime is 742850981. The next prime is 742851001. The reversal of 742850988 is 889058247.

It is a happy number.

It is a super-2 number, since 2×742850988² = 1103655180745152288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 742850988.

It is not an unprimeable number, because it can be changed into a prime (742850981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290845 + ... + 293387.

It is an arithmetic number, because the mean of its divisors is an integer number (39426912).

Almost surely, 2^742850988 is an apocalyptic number.

It is an amenable number.

742850988 is an abundant number, since it is smaller than the sum of its proper divisors (1149640788).

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

742850988 is a wasteful number, since it uses less digits than its factorization.

742850988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774 (or 4772 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 742850988 is about 27255.2928437762. The cubic root of 742850988 is about 905.6642714184.

The spelling of 742850988 in words is "seven hundred forty-two million, eight hundred fifty thousand, nine hundred eighty-eight".