75740072 has 16 divisors (see below), whose sum is σ = 142106400. Its totient is φ = 37845040.

The previous prime is 75740059. The next prime is 75740087. The reversal of 75740072 is 27004757.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18797 + ... + 22467.

It is an arithmetic number, because the mean of its divisors is an integer number (8881650).

Almost surely, 2^75740072 is an apocalyptic number.

It is an amenable number.

75740072 is a deficient number, since it is larger than the sum of its proper divisors (66366328).

75740072 is a wasteful number, since it uses less digits than its factorization.

75740072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256 (or 6252 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 75740072 is about 8702.8772253778. The cubic root of 75740072 is about 423.0989081044.

The spelling of 75740072 in words is "seventy-five million, seven hundred forty thousand, seventy-two".