742831284 has 48 divisors (see below), whose sum is σ = 1870686720. Its totient is φ = 228063360.

The previous prime is 742831267. The next prime is 742831301. The reversal of 742831284 is 482138247.

It is an interprime number because it is at equal distance from previous prime (742831267) and next prime (742831301).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69754 + ... + 79694.

It is an arithmetic number, because the mean of its divisors is an integer number (38972640).

Almost surely, 2^742831284 is an apocalyptic number.

It is an amenable number.

742831284 is an abundant number, since it is smaller than the sum of its proper divisors (1127855436).

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

742831284 is a wasteful number, since it uses less digits than its factorization.

742831284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10440 (or 10438 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 742831284 is about 27254.9313703043. The cubic root of 742831284 is about 905.6562638158.

The spelling of 742831284 in words is "seven hundred forty-two million, eight hundred thirty-one thousand, two hundred eighty-four".