83240742 has 32 divisors (see below), whose sum is σ = 183667680. Its totient is φ = 24986880.

The previous prime is 83240741. The next prime is 83240743. The reversal of 83240742 is 24704238.

It is an interprime number because it is at equal distance from previous prime (83240741) and next prime (83240743).

It is a super-2 number, since 2×83240742² = 13858042257421128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83240741) 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, 9817 + ... + 16212.

It is an arithmetic number, because the mean of its divisors is an integer number (5739615).

Almost surely, 2^83240742 is an apocalyptic number.

83240742 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

83240742 is an abundant number, since it is smaller than the sum of its proper divisors (100426938).

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

83240742 is a wasteful number, since it uses less digits than its factorization.

83240742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26088.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 83240742 is about 9123.6364460669. The cubic root of 83240742 is about 436.6284004564.

The spelling of 83240742 in words is "eighty-three million, two hundred forty thousand, seven hundred forty-two".