65742445 has 16 divisors (see below), whose sum is σ = 80530560. Its totient is φ = 51508800.

The previous prime is 65742433. The next prime is 65742463. The reversal of 65742445 is 54424756.

It is not a de Polignac number, because 65742445 - 2¹⁹ = 65218157 is a prime.

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, 133650 + ... + 134140.

It is an arithmetic number, because the mean of its divisors is an integer number (5033160).

Almost surely, 2^65742445 is an apocalyptic number.

It is an amenable number.

65742445 is a deficient number, since it is larger than the sum of its proper divisors (14788115).

65742445 is a wasteful number, since it uses less digits than its factorization.

65742445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its digits is 134400, while the sum is 37.

The square root of 65742445 is about 8108.1714954729. The cubic root of 65742445 is about 403.5976392212.

The spelling of 65742445 in words is "sixty-five million, seven hundred forty-two thousand, four hundred forty-five".