75742340 has 12 divisors (see below), whose sum is σ = 159058956. Its totient is φ = 30296928.

The previous prime is 75742339. The next prime is 75742357. The reversal of 75742340 is 4324757.

It can be written as a sum of positive squares in 2 ways, for example, as 21307456 + 54434884 = 4616^2 + 7378^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75742297 and 75742306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893539 + ... + 1893578.

It is an arithmetic number, because the mean of its divisors is an integer number (13254913).

Almost surely, 2^75742340 is an apocalyptic number.

It is an amenable number.

75742340 is an abundant number, since it is smaller than the sum of its proper divisors (83316616).

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

75742340 is a wasteful number, since it uses less digits than its factorization.

75742340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787126 (or 3787124 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 75742340 is about 8703.0075261372. The cubic root of 75742340 is about 423.1031312266.

The spelling of 75742340 in words is "seventy-five million, seven hundred forty-two thousand, three hundred forty".