70742445 has 8 divisors (see below), whose sum is σ = 113187936. Its totient is φ = 37729296.

The previous prime is 70742437. The next prime is 70742447. The reversal of 70742445 is 54424707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70742445 - 2³ = 70742437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70742447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2358067 + ... + 2358096.

It is an arithmetic number, because the mean of its divisors is an integer number (14148492).

Almost surely, 2^70742445 is an apocalyptic number.

It is an amenable number.

70742445 is a deficient number, since it is larger than the sum of its proper divisors (42445491).

70742445 is a wasteful number, since it uses less digits than its factorization.

70742445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716171.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 70742445 is about 8410.8528105062. The cubic root of 70742445 is about 413.5804695454.

The spelling of 70742445 in words is "seventy million, seven hundred forty-two thousand, four hundred forty-five".