742884345 has 48 divisors (see below), whose sum is σ = 1536318720. Its totient is φ = 339601248.

The previous prime is 742884323. The next prime is 742884353. The reversal of 742884345 is 543488247.

It is a happy number.

It is not a de Polignac number, because 742884345 - 2⁸ = 742884089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 742884345.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49537 + ... + 62766.

It is an arithmetic number, because the mean of its divisors is an integer number (32006640).

Almost surely, 2^742884345 is an apocalyptic number.

It is an amenable number.

742884345 is an abundant number, since it is smaller than the sum of its proper divisors (793434375).

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

742884345 is a wasteful number, since it uses less digits than its factorization.

742884345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112331 (or 112318 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 742884345 is about 27255.9047730946. The cubic root of 742884345 is about 905.6778272062.

The spelling of 742884345 in words is "seven hundred forty-two million, eight hundred eighty-four thousand, three hundred forty-five".