84263745 has 16 divisors (see below), whose sum is σ = 135218880. Its totient is φ = 44808384.

The previous prime is 84263737. The next prime is 84263749. The reversal of 84263745 is 54736248.

It is a happy number.

It is not a de Polignac number, because 84263745 - 2³ = 84263737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84263749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2890 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (8451180).

Almost surely, 2^84263745 is an apocalyptic number.

It is an amenable number.

84263745 is a deficient number, since it is larger than the sum of its proper divisors (50955135).

84263745 is a wasteful number, since it uses less digits than its factorization.

84263745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16544.

The product of its digits is 161280, while the sum is 39.

The square root of 84263745 is about 9179.5285826670. The cubic root of 84263745 is about 438.4097986986.

The spelling of 84263745 in words is "eighty-four million, two hundred sixty-three thousand, seven hundred forty-five".