75406742 has 16 divisors (see below), whose sum is σ = 118298880. Its totient is φ = 35981352.

The previous prime is 75406739. The next prime is 75406759. The reversal of 75406742 is 24760457.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21509 + ... + 24767.

It is an arithmetic number, because the mean of its divisors is an integer number (7393680).

Almost surely, 2^75406742 is an apocalyptic number.

75406742 is a deficient number, since it is larger than the sum of its proper divisors (42892138).

75406742 is a wasteful number, since it uses less digits than its factorization.

75406742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 75406742 is about 8683.7055454454. The cubic root of 75406742 is about 422.4773130682.

The spelling of 75406742 in words is "seventy-five million, four hundred six thousand, seven hundred forty-two".