742186445 has 64 divisors (see below), whose sum is σ = 1202535936. Its totient is φ = 424673280.

The previous prime is 742186427. The next prime is 742186453. The reversal of 742186445 is 544681247.

742186445 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 742186445 - 2¹⁰ = 742185421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1285997 + ... + 1286573.

It is an arithmetic number, because the mean of its divisors is an integer number (18789624).

Almost surely, 2^742186445 is an apocalyptic number.

It is an amenable number.

742186445 is a deficient number, since it is larger than the sum of its proper divisors (460349491).

742186445 is a wasteful number, since it uses less digits than its factorization.

742186445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870.

The product of its digits is 215040, while the sum is 41.

The square root of 742186445 is about 27243.0990344344. The cubic root of 742186445 is about 905.3941264318.

The spelling of 742186445 in words is "seven hundred forty-two million, one hundred eighty-six thousand, four hundred forty-five".