745742106 has 32 divisors (see below), whose sum is σ = 1661385600. Its totient is φ = 247953600.

The previous prime is 745742099. The next prime is 745742117. The reversal of 745742106 is 601247547.

745742106 is a `hidden beast` number, since 74 + 574 + 2 + 10 + 6 = 666.

It is a super-2 number, since 2×745742106² = 1112262577322630472, which contains 22 as substring.

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, 4435 + ... + 38873.

It is an arithmetic number, because the mean of its divisors is an integer number (51918300).

Almost surely, 2^745742106 is an apocalyptic number.

745742106 is an abundant number, since it is smaller than the sum of its proper divisors (915643494).

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

745742106 is a wasteful number, since it uses less digits than its factorization.

745742106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34851 (or 34845 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 745742106 is about 27308.2790743027. The cubic root of 745742106 is about 906.8376753260.

The spelling of 745742106 in words is "seven hundred forty-five million, seven hundred forty-two thousand, one hundred six".